{
  "schema": "canli.company-reference.v1",
  "cik": "0000078890",
  "name": "BRINK’S CO",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000078890.json",
  "source_sha256": "2c57e95eec39ceec88280ccb2a55f97b37f900a1e6554499e9551935f587056a",
  "fetched_at": "2026-09-19T14:51:15.753Z",
  "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": 7339200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6623100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6601800000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 6366000000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 5566700000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5135600000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3763800000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3236000000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3059600000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1994800000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1946700000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2192000000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2497400000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2553900000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2406200000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2270500000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1879800000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009Q4I",
          "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": 6931900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6310600000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6081600000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 5795800000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 5314100000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 4933100000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3556200000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3069400000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2721400000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1640000000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1616100000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1718200000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1718500000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1977100000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1923800000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1687400000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1284000000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 277700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 184900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 397400000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 447100000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 123000000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 128800000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 191800000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 153700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 317400000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 337100000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 317900000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 434000000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 693900000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 501800000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 408000000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 516200000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 534900000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 1725900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1395300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1176600000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 972000000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 710300000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 620900000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 311000000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 343400000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 614300000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 183500000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 181900000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 176200000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 255500000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 201700000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 182900000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 183000000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 143000000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 250900000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 196400000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2007Q4I",
          "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": 199700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 162900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 87700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 170600000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 105200000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 16000000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 29000000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -33300000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 34500000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -11900000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -83900000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 56800000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 88900000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 74500000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 57100000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 200200000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 183300000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 479900000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 478000000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 317700000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 368600000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 364100000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 296400000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 190300000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 195900000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 141300000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 201500000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 250500000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 247000000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 235300000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 195200000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 427100000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 203100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 222500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 202700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 182600000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 167900000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 118500000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 164800000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 155100000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 174500000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 112200000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 101100000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 136100000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 172900000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 170900000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 183700000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 137800000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 170600000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 165300000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2014-01-01",
          "end": "2014-12-31",
          "val": 3562300000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3778600000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3577600000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 3662900000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2976200000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3135000000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": 5261200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 5011900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4874600000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4535500000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4200200000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3690900000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3683200000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3488900000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3347000000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3020600000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "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": -114100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 42200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -207100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 245200000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 171300000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 683700000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -38000000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 93400000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 587300000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -25000000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -52500000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3300000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -6000000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -68000000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -67200000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 60000000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -46600000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 400000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": -202400000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -216200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -179800000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -331200000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -454700000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -565400000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -333000000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -672700000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -394900000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -108900000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -103700000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -94000000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -123000000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -167300000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -171800000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -255400000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -241100000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -359900000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 270100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 285400000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 333000000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 417200000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 312900000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 407500000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 457400000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 429100000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 564900000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 576000000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 561300000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 592900000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 696400000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 659100000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 589500000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 537500000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 514800000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 42200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 44300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 46200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 47300000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 49500000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 50400000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 50200000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 50900000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 50700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 50000000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 49300000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 49000000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 48700000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 48400000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 47800000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 48200000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 47200000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 46300000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 42500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 44800000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 46900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 47800000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 50100000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 50800000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 51100000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 50900000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51800000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 50600000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 49300000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 49000000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 49000000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 48600000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 48100000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 48400000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 47500000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 46700000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 4.73,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3.68,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1.9,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3.61,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.12,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.32,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.58,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.65,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.33,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.69,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.24,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1.71,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.17,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.84,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.56,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.18,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4.23,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3.96,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 4.69,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3.63,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1.87,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3.57,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.1,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.31,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.57,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.65,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.32,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.68,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.24,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1.71,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.16,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.83,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.55,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.18,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4.21,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3.93,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 143300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 92700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 139200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 41400000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 120300000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 56600000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 61000000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 70000000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 157700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 78500000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 66500000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 36700000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 49300000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 23000000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 64000000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 72600000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -61100000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 53000000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 1130500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 982700000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1013300000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 935300000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 865600000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 838200000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 763300000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 699400000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 640900000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 531000000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 549000000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 669500000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 758700000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 793800000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 749200000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 698900000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 549500000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 26000000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 36500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 32100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 48600000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 33100000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 31300000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 42700000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 28200000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 17700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 9500000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 14100000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 17300000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 9900000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 8000000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6200000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6200000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 6600000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 7800000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 585500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 453000000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 425200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 361300000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 354700000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 213500000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 236800000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 274700000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 273900000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 184500000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 96400000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -27500000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 163200000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 162200000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 202500000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 176500000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 166800000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 228500000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 3329000000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2887900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2788300000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2597400000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1999500000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1814800000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1232600000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1206500000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1488200000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 843700000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 777700000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 907600000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1102700000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 995500000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 933900000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 877400000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 690100000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 203800000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 138800000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 112200000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 96500000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 90600000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 66700000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32200000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 20400000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 18900000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 23400000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 25100000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 23100000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 23100000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 14600000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 11300000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 12000000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": 2197900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1898400000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1944100000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1674800000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1429000000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1336200000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1002000000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 849400000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 834900000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 753800000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 641800000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 728400000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 798600000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 743000000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 702100000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 676000000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 520300000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 319300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 316600000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 249700000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 296500000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 211200000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 206000000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 184500000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 174600000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 174600000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 139300000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 155300000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 168600000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 185600000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 172800000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 159500000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 141500000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 127200000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 1515300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1434900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1473800000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1450900000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1411700000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1219200000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 784600000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 678600000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 453700000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 186200000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 185300000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 215700000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 240200000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 243800000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 231400000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 244300000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 213700000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009Q4I",
          "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": 385200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 422300000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 488300000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 535500000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 491200000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 426100000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 272500000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 228900000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 105700000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 19100000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 28500000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 39800000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 46300000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 56100000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 63800000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 83200000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "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": 766000000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 733500000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 779000000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 862200000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 701800000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 679100000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 635600000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 599500000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 642300000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 501100000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 478100000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 530500000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 622200000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 612300000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 550500000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 525100000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 427600000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 209400000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 203600000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 169900000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 52200000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 200000000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 50000000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 93500000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 33700000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 6900000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 56600000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3903200000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3743100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3707100000,
          "accn": "0000078890-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3461900000,
          "accn": "0000078890-25-000059",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3235800000,
          "accn": "0000078890-24-000054",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2877300000,
          "accn": "0000078890-23-000090",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2832100000,
          "accn": "0000078890-22-000077",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2703300000,
          "accn": "0000078890-21-000014",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2608200000,
          "accn": "0000078890-20-000010",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2391700000,
          "accn": "0000078890-19-000013",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2443700000,
          "accn": "0000078890-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2948200000,
          "accn": "0000078890-17-000013",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-24",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3059200000,
          "accn": "0000078890-16-000062",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2894200000,
          "accn": "0000078890-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-05",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2966000000,
          "accn": "0000078890-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2392200000,
          "accn": "0000078890-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2534500000,
          "accn": "0000078890-12-000013",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 2505100000,
          "accn": "0000078890-11-000013",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/2c57e95eec39ceec88280ccb2a55f97b37f900a1e6554499e9551935f587056a.json.gz"
}
