{
  "schema": "canli.company-reference.v1",
  "cik": "0001304280",
  "name": "Novelis Inc.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001304280.json",
  "source_sha256": "19cb456be6141078ea83edc29025d0fd0697f4405fccb89023cfa9593a76abcd",
  "fetched_at": "2026-09-21T17:18:23.960Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 20946000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 16515000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 14628000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 14364000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 15096000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 12885000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 10989000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 9568000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 9515000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 8373000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 8280000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 9102000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 9114000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 8522000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 8021000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 8296000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 15762000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 12000000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 10818000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 10910000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 12587000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 10999000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 9628000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 8497000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 8692000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 8450000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 8339000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 9172000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 8846000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 8283000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 7898000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 7661000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 5172000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 4505000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 3799000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 3442000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 2502000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1902000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 1412000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 1106000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 860000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": -59000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": -59000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": -82000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 240000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 209000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 89000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 445000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 1254000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 1036000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 1309000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 1498000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 1070000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 998000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2392000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 950000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 920000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 594000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 556000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 628000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 509000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 301000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 301000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 311000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011Q1I",
          "unit": "USD"
        },
        {
          "end": "2010-03-31",
          "val": 437000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010Q1I",
          "unit": "USD"
        },
        {
          "end": "2009-03-31",
          "val": 248000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 15000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 683000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 600000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 658000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 954000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 236000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 420000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-02",
          "end": "2019-03-31",
          "val": 420000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 434000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 635000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 45000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -38000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 148000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 104000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 202000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 202000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 63000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 116000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 116000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 405000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": -193000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 951000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 1315000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 1208000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 1143000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 1127000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 973000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 730000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 573000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 563000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 541000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 604000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 702000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 203000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 203000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 556000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 454000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 454000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 844000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 12326000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 11462000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 9591000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 18434000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 17149000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 16210000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 18486000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 17149000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 12276000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 11217000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 12326000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 11462000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 9591000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 2566000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 472000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": -98000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 24000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": -615000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 180000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 1064000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": -118000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": -390000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": -325000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -245000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -56000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 205000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 535000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 535000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -96000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": -471000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": -471000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": -188000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": -2164000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": -1690000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": -1388000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -775000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": -473000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": -2722000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": -586000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": -559000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 96000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": -200000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -378000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -416000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -702000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": -747000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": -747000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -442000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": -113000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": -113000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": -484000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 3770000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 3755000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 3072000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 2472000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 1814000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 864000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 628000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 208000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": -283000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": -918000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": -963000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": -925000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": -1073000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": -1177000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": -1379000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": -1442000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 1000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 159000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 218000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 147000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 281000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 238000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 178000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 202000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 233000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 151000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 46000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 14000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 11000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 83000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 83000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 39000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 83000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 83000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 262000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 8811000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 6851000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 5741000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 4900000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 4624000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 4687000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 3580000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 3390000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 3110000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 3357000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 3506000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 3542000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 3513000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 3104000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 2689000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 2543000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 1645000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 1802000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 1873000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 1811000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 8993000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 6715000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 5943000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 6460000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 7503000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 5134000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 5384000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 4185000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 4364000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 3307000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 2971000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 3675000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 3473000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 3277000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 3100000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 3411000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 265000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 275000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 298000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 274000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 227000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 267000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 248000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 268000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 255000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 294000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 327000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 326000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 304000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 298000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 298000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 305000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 207000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 207000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 175000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 8282000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 5114000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 4835000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 4899000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 6498000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 4001000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2930000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 2922000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 3123000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 2917000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 2834000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 3593000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 3170000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 2352000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 1999000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 2159000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2023-03-31",
          "val": 3100000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 3869000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 2498000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 1732000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 1986000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 2051000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 1722000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 1506000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 1854000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 1418000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 1207000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 1245000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 1378000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 1079000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 1074000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 1074000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 1076000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 1081000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1083000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 607000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 607000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 607000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 607000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 607000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 607000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 611000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 611000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 611000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 611000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 442000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 509000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 545000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 589000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 623000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 696000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 299000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 351000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 410000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 457000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 523000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 584000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 640000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 649000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 678000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 707000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 4401000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 3054000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 2515000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 2729000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 3038000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1928000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 1409000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 1460000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 1560000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 1333000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 1180000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 1431000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 1173000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 1168000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 1024000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 1338000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 697000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 695000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 717000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 679000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 631000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 551000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 498000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 502000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 466000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 396000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 407000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 427000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 461000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 398000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 398000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 383000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 375000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 375000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 337000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 93000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 102000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 98000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 95000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 92000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 83000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 84000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 72000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 64000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 58000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 54000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 50000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 45000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 46000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 46000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 44000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 40000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 40000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 38000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 606333333,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2026Q1I",
          "unit": "shares"
        },
        {
          "end": "2025-03-31",
          "val": 600000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "shares"
        },
        {
          "end": "2024-05-24",
          "val": 600000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "shares"
        },
        {
          "end": "2024-05-23",
          "val": 1100,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "shares"
        },
        {
          "end": "2024-03-31",
          "val": 600000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "shares"
        },
        {
          "end": "2023-03-31",
          "val": 1100,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "shares"
        },
        {
          "end": "2022-03-31",
          "val": 1100,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2022Q1I",
          "unit": "shares"
        },
        {
          "end": "2021-04-01",
          "val": 1100,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "unit": "shares"
        },
        {
          "end": "2021-03-31",
          "val": 1000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021Q1I",
          "unit": "shares"
        },
        {
          "end": "2020-03-31",
          "val": 1000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "shares"
        },
        {
          "end": "2019-03-31",
          "val": 1000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "shares"
        },
        {
          "end": "2018-03-31",
          "val": 1000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "shares"
        },
        {
          "end": "2017-03-31",
          "val": 1000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "shares"
        },
        {
          "end": "2016-03-31",
          "val": 1000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "shares"
        },
        {
          "end": "2015-03-31",
          "val": 1000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "shares"
        },
        {
          "end": "2014-03-31",
          "val": 1000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "shares"
        },
        {
          "end": "2013-03-31",
          "val": 1000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "shares"
        },
        {
          "end": "2012-03-31",
          "val": 1000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "shares"
        },
        {
          "end": "2011-03-31",
          "val": 1000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 1261000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 1041000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 1322000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 1511000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 1084000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1027000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2402000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 960000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 932000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 606000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 568000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": -621000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": -358000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": -381000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": -238000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": -620000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": -366000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": -620000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": -506000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-04-01",
          "val": -277000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": -261000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": -545000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": -500000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": -561000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": -91000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": -268000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": -191000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 57000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 5184000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 4515000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 3810000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 3454000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 2509000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1886000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 1361000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 1071000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-04-01",
          "val": 864000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 828000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": -72000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": -59000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": -70000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 268000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 239000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 123000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 635000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011Q1I",
          "unit": "USD"
        },
        {
          "end": "2010-03-31",
          "val": 2010000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010Q1I",
          "unit": "USD"
        },
        {
          "end": "2009-03-31",
          "val": 1509000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 116000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2026Q1I",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 115000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 124000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 127000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 100000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 106000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 95000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 112000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2026Q1I",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 110000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 104000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 106000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 81000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 88000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 95000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2020Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 6572000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 5790000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 4876000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 4939000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 4963000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 5702000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 5364000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 4347000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 4457000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 4558000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 4468000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 4457000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 4451000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 4464000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 4344000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2024-03-31",
          "val": 8518000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 8151000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 7890000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 7199000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 5880000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 5724000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 5586000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 5794000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 5769000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 5310000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 4809000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 3980000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 3639000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 5140000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2026Q1I",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 4726000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 4412000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 4014000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 3686000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 3385000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2968000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 2731000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 2644000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 2575000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 2398000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 2132000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 1977000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 1747000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 1508000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2023-03-31",
          "val": 293000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 274000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 316000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 219000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 101000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 97000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 94000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 82000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 137000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 173000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 166000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 168000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 193000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 305000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 284000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 305000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 288000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 295000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 305000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 229000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 180000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 244000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 198000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 175000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 221000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 271000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 262000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 310000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 359000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccruedLiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Accrued current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current obligations accrued for goods and services received but not yet invoiced or paid. This is one component of current liabilities, not all short-term obligations.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 780000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 666000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 627000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 633000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 774000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 670000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 616000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 591000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 578000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 569000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 572000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 547000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 497000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 476000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 568000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 354000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 234000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 152000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 178000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 195000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 198000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 145000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 121000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 125000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 137000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 127000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 112000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 101000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 93000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 61000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-03-31",
          "val": 50000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2011Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2026-03-31",
          "val": 947000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2026Q1I",
          "unit": "USD"
        },
        {
          "end": "2025-03-31",
          "val": 635000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025Q1I",
          "unit": "USD"
        },
        {
          "end": "2024-03-31",
          "val": 656000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2024Q1I",
          "unit": "USD"
        },
        {
          "end": "2023-03-31",
          "val": 710000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023Q1I",
          "unit": "USD"
        },
        {
          "end": "2022-03-31",
          "val": 861000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2022Q1I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 700000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 422000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 388000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-03-31",
          "val": 427000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2018Q1I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 550000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 564000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2016Q1I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 507000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 436000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 407000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2013Q1I",
          "unit": "USD"
        },
        {
          "end": "2012-03-31",
          "val": 464000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 16000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 842000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 818000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 806000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 1299000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 696000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 598000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 636000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 855000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 197000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 8000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 162000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 115000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 286000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 286000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 129000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 243000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 243000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 727000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 15000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 683000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 600000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 657000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 955000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 237000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 420000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 434000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 622000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 46000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -38000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 148000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 104000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 203000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 203000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 90000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 160000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 160000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 465000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": -248000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 706000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 457000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 1040000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 700000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 490000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 306000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 205000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 919000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 0,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 23000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -322000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 281000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 125000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 125000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -182000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 276000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 276000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 450000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 545455,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 598182,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 867273,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 534000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 492000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 481000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 466000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 457000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 451000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 298000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 286000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 290000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 299000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 294000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 294000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 279000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 242000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 242000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 283000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 357000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 616000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 575000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 554000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 540000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 550000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 543000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 361000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 350000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 354000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 360000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 353000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 352000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 334000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 292000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 292000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 329000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 404000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 404000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 384000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 82000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 83000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 73000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 74000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 93000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 92000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 63000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 64000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 64000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 69000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 71000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 70000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 67000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 63000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 63000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 59000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 60000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": -960000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": -134000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 22000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -79000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 61000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": -103000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": -18000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": -44000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": -51000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": -117000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 68000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -17000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 41000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 52000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 50000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 58000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 36000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 49000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 219000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 194000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 186000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 198000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 192000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 254000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 189000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 178000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 152000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 192000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 145000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": 139000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 102000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 140000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 114000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 114000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": 72000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 128000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": -193000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": -27000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 20000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -45000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 27000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 49000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 0,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 50000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 41000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 6000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -93000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -88000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -129000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": -31000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": -31000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -33000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": -45000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": -45000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 229000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 242000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 247000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 279000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 258000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 210000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 240000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 222000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 248000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 254000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 64000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 67000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 65000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": 72000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 59000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 66000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": 64000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 542000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 330000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": 25000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -783000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 1030000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 323000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": -304000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": 71000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 415000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 166000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -336000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 54000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -106000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 121000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 121000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -47000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 295000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 295000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 46000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 1300000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 579000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": -185000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -235000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 1184000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 94000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": -23000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": -32000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 151000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 193000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -268000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 390000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -17000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 160000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 160000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -214000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 218000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 218000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 264000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsPayable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts payable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in payables during the period. A positive value under this concept means payables grew and added to operating cash flow.",
      "observations": [
        {
          "start": "2025-04-01",
          "end": "2026-03-31",
          "val": 1150000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-04-01",
          "end": "2025-03-31",
          "val": 705000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-04-01",
          "end": "2024-03-31",
          "val": -119000000,
          "accn": "0001304280-26-000019",
          "fy": 2026,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-05-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-04-01",
          "end": "2023-03-31",
          "val": -759000000,
          "accn": "0001304280-25-000023",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-04-01",
          "end": "2022-03-31",
          "val": 1540000000,
          "accn": "0001304280-24-000024",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-05-06",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-04-01",
          "end": "2021-03-31",
          "val": 569000000,
          "accn": "0001304280-23-000027",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-05-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-04-01",
          "end": "2020-03-31",
          "val": -171000000,
          "accn": "0001304280-22-000030",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-05-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-04-01",
          "end": "2019-03-31",
          "val": -72000000,
          "accn": "0001304280-21-000025",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-05-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-04-01",
          "end": "2018-03-31",
          "val": 336000000,
          "accn": "0001304280-20-000051",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-05-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-04-01",
          "end": "2017-03-31",
          "val": 253000000,
          "accn": "0001304280-19-000024",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-05-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-04-01",
          "end": "2016-03-31",
          "val": -327000000,
          "accn": "0001304280-18-000018",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-05-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 578000000,
          "accn": "0001304280-17-000021",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-05-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 159000000,
          "accn": "0001304280-16-000077",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-05-10",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-04-01",
          "end": "2013-03-31",
          "val": 6000000,
          "accn": "0001304280-15-000021",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-05-12",
          "unit": "USD"
        },
        {
          "start": "2012-03-31",
          "end": "2013-03-31",
          "val": 6000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-04-01",
          "end": "2012-03-31",
          "val": -188000000,
          "accn": "0001304280-14-000019",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-05-16",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-04-01",
          "end": "2011-03-31",
          "val": 263000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "unit": "USD"
        },
        {
          "start": "2010-03-31",
          "end": "2011-03-31",
          "val": 263000000,
          "accn": "0001304280-13-000020",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-05-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-04-01",
          "end": "2010-03-31",
          "val": 311000000,
          "accn": "0001193125-12-245969",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-05-24",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/19cb456be6141078ea83edc29025d0fd0697f4405fccb89023cfa9593a76abcd.json.gz"
}
