{
  "schema": "canli.company-reference.v1",
  "cik": "0000079879",
  "name": "PPG INDUSTRIES INC",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000079879.json",
  "source_sha256": "d2115215c7b5332e873631ef48ba58e08b126192b275c4f6043c31c439948a74",
  "fetched_at": "2026-09-19T14:51:22.035Z",
  "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": "2025-12-31",
          "val": 22098000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 19433000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21647000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 20744000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 21351000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 19556000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 17708000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 16015000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 16538000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 17616000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 16973000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 16154000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 15771000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 17076000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 17535000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 15804000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 15878000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 14382000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 14975000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 14240000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 14698000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 14001000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 12471000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 13624000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 14035000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 14940000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 13741000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12305000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 11283000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10866000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 11611000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 11245000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 10868000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 10856000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 12007000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 12270000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 10665000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 11556000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 10936000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 11142000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 10318000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 11209000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 7941000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6785000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 7832000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 6592000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 6286000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5689000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 5284000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4630000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5557000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 5897000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 5623000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 5192000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 4828000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4983000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5180000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4932000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4063000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3249000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3638000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 3753000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 3333000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 2163000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1270000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1493000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1099000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1005000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1826000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1216000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 902000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1436000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 2287000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 1569000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 1349000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1820000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1311000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 686000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1116000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1306000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1306000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1341000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1057000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 1021000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 526000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2007Q4I",
          "unit": "USD"
        },
        {
          "end": "2006-12-31",
          "val": 443000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2006Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1576000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1116000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1270000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1026000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1439000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1059000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1243000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1341000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1594000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 873000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1406000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2102000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3231000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 941000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1095000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 769000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 336000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 538000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 834000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1941000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1420000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2411000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 963000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1562000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2130000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2080000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1467000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1568000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1351000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1895000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1528000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1791000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1787000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1436000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1310000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1345000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1437000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 1063000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 778000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 721000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 516000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 486000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 371000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 304000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 413000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 411000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 360000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 380000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 430000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 564000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 494000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 330000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 326000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 307000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 239000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 383000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 364000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 15108000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 13512000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 13153000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 13423000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 12239000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 15875000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 15845000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 16242000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 15614000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 16802000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 13834000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 15146000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 15374000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 14748000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 14270000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -545000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1425000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1550000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -409000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 93000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -59000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -758000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -1205000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -1954000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1210000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -812000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -969000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -1979000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -351000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1632000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -104000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -1123000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -1057000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 1216000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -700000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 107000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -556000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -461000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -2404000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1447000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1009000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -764000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -67000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 436000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -395000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -857000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1611000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 353000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -949000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -203000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 125000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": -2207000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-12-31",
          "val": 22942000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 21994000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21500000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 20828000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 20372000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 19469000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 18906000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 18131000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 17140000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 17101000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 16606000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 16214000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 15980000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15521000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 14498000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 12757000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 9871000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 9288000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 8548000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 8139000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 8156000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 226300000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 233800000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 236000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 236100000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 237600000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 236800000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 236900000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 243900000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 256100000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 265600000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 271400000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 276600000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 286800000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 153400000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 157300000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 164500000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 164800000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 164600000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 227100000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 234900000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 237200000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 237300000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 239400000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 237900000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 238200000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 245400000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 257800000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 267400000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 273600000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 279600000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 290200000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 155100000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 159300000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 165900000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 165500000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 165400000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6.96,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4.77,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5.38,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.34,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.06,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4.47,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5.25,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5.5,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6.22,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3.29,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5.18,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 7.6,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 11.27,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6.13,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6.96,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4.67,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.04,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3.27,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD/shares"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 5.07,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6.94,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4.75,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5.35,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.32,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.01,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4.45,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5.22,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5.47,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6.18,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3.27,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5.14,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 7.52,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 11.13,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6.06,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6.87,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4.63,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.03,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3.25,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD/shares"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 5.03,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 458000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 475000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 428000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 320000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 374000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 291000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 392000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 353000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 615000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 214000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 413000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 237000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 253000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 148000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 260000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 415000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 191000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 284000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 383000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-12-31",
          "val": 4005000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 3464000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 3450000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3328000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 3442000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3127000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2983000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2805000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2824000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 2730000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 2710000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 2659000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2608000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2608000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2895000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2876000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2888000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2721000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2686000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 2754000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 2798000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 46000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 42000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 56000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 34000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 57000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 44000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 37000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 35000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 45000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 54000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 71000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 81000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 71000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 34000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 52000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 33000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "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": "2023-01-01",
          "end": "2023-12-31",
          "val": 2675000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2042000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2171000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2109000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2271000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2118000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2292000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2382000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2287000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2191000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1923000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1629000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1657000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1722000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1186000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "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": "2025-12-31",
          "val": 7959000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6557000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 7431000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 7173000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 6774000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 6798000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6170000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5961000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6477000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 7638000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 7141000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 6763000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6574000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 6712000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 6443000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 7214000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 7715000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6694000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 7058000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 5981000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 6348000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2023-01-01",
          "end": "2023-12-31",
          "val": 247000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 167000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 121000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 138000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 132000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 118000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 105000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 125000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 125000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 187000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 196000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 210000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 210000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 189000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 193000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 254000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 93000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-12-31",
          "val": 4900000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 5014000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 5054000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 4721000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4766000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 4831000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 4375000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4373000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3895000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 4623000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 4444000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 4285000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 4253000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4695000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 4875000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4135000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4461000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3702000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3625000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 3577000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 4210000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 6149000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 5690000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6115000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 5993000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 6248000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5102000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 4470000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4070000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3942000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 3881000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 3845000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 3720000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3572000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 3625000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3801000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 3008000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2761000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2660000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2719000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 2784000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 2641000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 697000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 799000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 964000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1089000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1334000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1250000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 964000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 832000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 887000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 876000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 928000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 990000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 840000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 761000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 809000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 945000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1082000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2783000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2477000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2622000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2824000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2687000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2412000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2479000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2505000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2559000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2288000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2343000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2366000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2449000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2568000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2512000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2447000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 2283000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 790000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 752000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 86000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 190000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 210000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 325000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1721000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 813000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1050000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 751000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 750000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1000000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 92000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 858000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 586000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 59000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 7000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 274000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-12-31",
          "val": 1996000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1846000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1934000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2272000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2171000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1735000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1710000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1783000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1730000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 1805000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-06-30",
          "val": 1766000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q2I",
          "unit": "USD"
        },
        {
          "end": "2017-03-31",
          "val": 1699000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2017Q1I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1514000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1659000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1825000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1824000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1687000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1607000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1573000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1548000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 1702000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2008Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 3439000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3391000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3401000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3037000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3780000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3389000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3604000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3573000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3554000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3555000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3584000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3696000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3486000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2987000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 3122000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2979000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2936000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3432000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        },
        {
          "start": "2007-01-01",
          "end": "2007-12-31",
          "val": 2310000000,
          "accn": "0001193125-10-033939",
          "fy": 2009,
          "fp": "FY",
          "form": "10-K",
          "filed": "2010-02-18",
          "frame": "CY2007",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 446000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 447000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 446000000,
          "accn": "0000079879-26-000046",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-19",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 457000000,
          "accn": "0000079879-25-000034",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-20",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 463000000,
          "accn": "0000079879-24-000040",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 401000000,
          "accn": "0000079879-23-000007",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 456000000,
          "accn": "0000079879-22-000009",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 464000000,
          "accn": "0000079879-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 472000000,
          "accn": "0000079879-20-000008",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 473000000,
          "accn": "0000079879-19-000008",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-21",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 484000000,
          "accn": "0000079879-18-000039",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2018-06-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 499000000,
          "accn": "0000079879-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 479000000,
          "accn": "0000079879-16-000065",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 444000000,
          "accn": "0000079879-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 443000000,
          "accn": "0000079879-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 408000000,
          "accn": "0000079879-13-000016",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-21",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 403000000,
          "accn": "0001193125-12-064763",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-16",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 468000000,
          "accn": "0001193125-11-038642",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-17",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/d2115215c7b5332e873631ef48ba58e08b126192b275c4f6043c31c439948a74.json.gz"
}
