{
  "ticker": "WRB",
  "name": "BERKLEY W R CORP",
  "cik": "0000011544",
  "sic": "6331",
  "sic_description": "Fire, Marine & Casualty Insurance",
  "source": "SEC XBRL companyfacts",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000011544.json",
  "as_of": "2026-02-27",
  "note": "Verified SEC companyfacts-derived facts; derived metrics (margins, ratios, free cash flow) are computed from those facts. Descriptive data, not investment advice.",
  "annual": [
    {
      "metric_id": "revenue",
      "label": "Revenue",
      "concept": "Revenues",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 7654184000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 7684764000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 7691651000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 7902196000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 8098925000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 9455466000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 11166499000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 12142938000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 13638752000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 14707856000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 601916000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 549094000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 640749000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 681944000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 530670000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 1022490000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 1381062000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 1381359000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 1756115000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 1779403000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "derived": false,
      "source_concepts": [
        "us-gaap:EarningsPerShareDiluted"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 4.68,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 2.84,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 3.33,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 3.52,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 1.87,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 3.66,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 3.29,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 3.37,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 4.36,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 4.45,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "operating_cash_flow",
      "label": "Operating cash flow",
      "concept": "NetCashProvidedByUsedInOperatingActivities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetCashProvidedByUsedInOperatingActivities"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 848376000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 710883000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 620199000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 1143793000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 1616686000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 2183987000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 2568604000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 2929238000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 3678368000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 3582616000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "dividends_paid",
      "label": "Dividends paid",
      "concept": "PaymentsOfDividendsCommonStock",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:PaymentsOfDividendsCommonStock"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 183999000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 188199000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 254951000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 308191000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 84147000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 355736000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 235192000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 501456000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 531953000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 700269000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "share_buybacks",
      "label": "Share buybacks",
      "concept": "PaymentsForRepurchaseOfCommonStock",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:PaymentsForRepurchaseOfCommonStock"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 132392000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 47807000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 24750000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 18225000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 346357000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 122426000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 94140000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 537163000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 303655000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 270221000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "assets",
      "label": "Assets",
      "concept": "Assets",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Assets"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 23364844000.0,
          "filed": "2018-02-23",
          "accession": "0000011544-18-000012"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 24299917000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 24895977000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 26662144000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 28606913000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 32086414000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 33861099000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 37202015000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 40567268000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 44071071000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "liabilities",
      "label": "Liabilities",
      "concept": "Liabilities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Liabilities"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 18283710000.0,
          "filed": "2018-02-23",
          "accession": "0000011544-18-000012"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 18848754000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 19416179000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 20543802000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 22281116000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 25418684000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 27092938000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 29732778000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 32159829000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 34359177000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "equity",
      "label": "Stockholders' equity",
      "concept": "StockholdersEquity",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 5047208000.0,
          "filed": "2018-02-23",
          "accession": "0000011544-18-000012"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 5411344000.0,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 5437851000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 6074939000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 6310802000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 6653011000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 6748332000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 7455431000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 8395111000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 9700818000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "cash",
      "label": "Cash and cash equivalents",
      "concept": "CashAndCashEquivalentsAtCarryingValue",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:CashAndCashEquivalentsAtCarryingValue"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 795285000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 950471000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 817602000.0,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 1023710000.0,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 2372366000.0,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 1568843000.0,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 1449346000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 1363195000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 1974747000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 2539938000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "net_margin",
      "label": "Net margin",
      "concept": "NetIncomeLoss / Revenues",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 7.863882028443528,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 7.145229183355534,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 8.330448170360304,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 8.629803664702825,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 6.55235108363147,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 10.81374519246328,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 12.367905106157266,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 11.375821897468306,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 12.875921491937092,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 12.098316709111105,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "roe",
      "label": "Return on equity",
      "concept": "NetIncomeLoss / StockholdersEquity",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 11.925722102199869,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 10.14709099994382,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 11.783129033877538,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 11.225528355099533,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 8.408915380327254,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 15.368830744455405,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 20.465234964729063,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 18.528224592246914,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 20.918305904472255,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 18.342813977130586,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "roa",
      "label": "Return on assets",
      "concept": "NetIncomeLoss / Assets",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:Assets"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 2.5761610049696886,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 2.259653808694079,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 2.5737049805275767,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 2.557723789954776,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 1.855041122402826,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 3.1866758310853935,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 4.078609498173701,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 3.713129517312436,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 4.328896390065015,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 4.0375760325860925,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    },
    {
      "metric_id": "liabilities_to_equity",
      "label": "Liabilities / equity",
      "concept": "Liabilities / StockholdersEquity",
      "unit": "Ratio",
      "derived": true,
      "source_concepts": [
        "us-gaap:Liabilities",
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-12-31",
          "value": 3.6225394317016457,
          "filed": "2018-02-23",
          "accession": "0000011544-18-000012"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-12-31",
          "value": 3.483192715155422,
          "filed": "2019-02-22",
          "accession": "0000011544-19-000016"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 3.5705610543576864,
          "filed": "2020-02-20",
          "accession": "0000011544-20-000016"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 3.381729758932559,
          "filed": "2021-02-18",
          "accession": "0000011544-21-000013"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 3.530631447476882,
          "filed": "2022-02-24",
          "accession": "0000011544-22-000007"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 3.820628584561186,
          "filed": "2023-02-24",
          "accession": "0000011544-23-000004"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 4.014760684566201,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 3.9880696367520536,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 3.8307806769916444,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 3.541884509120777,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005"
        }
      ]
    }
  ],
  "quarterly": [
    {
      "metric_id": "revenue",
      "label": "Revenue",
      "concept": "Revenues",
      "unit": "USD",
      "source_concepts": [
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 2995914000.0,
          "filed": "2023-08-03",
          "accession": "0000011544-23-000018",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": 3030638000.0,
          "filed": "2023-11-03",
          "accession": "0000011544-23-000023",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 4,
          "period_label": "2023-Q4",
          "period_end": "2023-12-31",
          "value": 3221382000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005",
          "derived": true
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": 3256773000.0,
          "filed": "2024-05-03",
          "accession": "0000011544-24-000012",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": 3314032000.0,
          "filed": "2024-08-02",
          "accession": "0000011544-24-000024",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": 3400379000.0,
          "filed": "2024-11-04",
          "accession": "0000011544-24-000028",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 4,
          "period_label": "2024-Q4",
          "period_end": "2024-12-31",
          "value": 3667568000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005",
          "derived": true
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": 3547399000.0,
          "filed": "2025-05-02",
          "accession": "0000011544-25-000009",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": 3670808000.0,
          "filed": "2025-08-04",
          "accession": "0000011544-25-000024",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": 3768236000.0,
          "filed": "2025-11-03",
          "accession": "0000011544-25-000032",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 4,
          "period_label": "2025-Q4",
          "period_end": "2025-12-31",
          "value": 3721413000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005",
          "derived": true
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": 3690334000.0,
          "filed": "2026-05-01",
          "accession": "0000011544-26-000011",
          "derived": false
        }
      ]
    },
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 356308000.0,
          "filed": "2023-08-03",
          "accession": "0000011544-23-000018",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": 333586000.0,
          "filed": "2023-11-03",
          "accession": "0000011544-23-000023",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 4,
          "period_label": "2023-Q4",
          "period_end": "2023-12-31",
          "value": 397339000.0,
          "filed": "2024-02-23",
          "accession": "0000011544-24-000005",
          "derived": true
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": 442471000.0,
          "filed": "2024-05-03",
          "accession": "0000011544-24-000012",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": 371909000.0,
          "filed": "2024-08-02",
          "accession": "0000011544-24-000024",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": 365634000.0,
          "filed": "2024-11-04",
          "accession": "0000011544-24-000028",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 4,
          "period_label": "2024-Q4",
          "period_end": "2024-12-31",
          "value": 576101000.0,
          "filed": "2025-02-24",
          "accession": "0000011544-25-000005",
          "derived": true
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": 417571000.0,
          "filed": "2025-05-02",
          "accession": "0000011544-25-000009",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": 401288000.0,
          "filed": "2025-08-04",
          "accession": "0000011544-25-000024",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": 511032000.0,
          "filed": "2025-11-03",
          "accession": "0000011544-25-000032",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 4,
          "period_label": "2025-Q4",
          "period_end": "2025-12-31",
          "value": 449511000.0,
          "filed": "2026-02-27",
          "accession": "0000011544-26-000005",
          "derived": true
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": 515216000.0,
          "filed": "2026-05-01",
          "accession": "0000011544-26-000011",
          "derived": false
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "source_concepts": [
        "us-gaap:EarningsPerShareDiluted"
      ],
      "points": [
        {
          "fiscal_year": 2021,
          "fiscal_quarter": 3,
          "period_label": "2021-Q3",
          "period_end": "2021-09-30",
          "value": 1.4,
          "filed": "2021-11-04",
          "accession": "0000011544-21-000078",
          "derived": false
        },
        {
          "fiscal_year": 2022,
          "fiscal_quarter": 1,
          "period_label": "2022-Q1",
          "period_end": "2023-03-31",
          "value": 1.06,
          "filed": "2023-05-04",
          "accession": "0000011544-23-000008",
          "derived": false
        },
        {
          "fiscal_year": 2022,
          "fiscal_quarter": 3,
          "period_label": "2022-Q3",
          "period_end": "2022-09-30",
          "value": 0.82,
          "filed": "2022-11-04",
          "accession": "0000011544-22-000032",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 1.3,
          "filed": "2023-08-03",
          "accession": "0000011544-23-000018",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": 1.23,
          "filed": "2023-11-03",
          "accession": "0000011544-23-000023",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": 1.64,
          "filed": "2024-05-03",
          "accession": "0000011544-24-000012",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": 0.92,
          "filed": "2024-08-02",
          "accession": "0000011544-24-000024",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": 0.91,
          "filed": "2024-11-04",
          "accession": "0000011544-24-000028",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": 1.04,
          "filed": "2025-05-02",
          "accession": "0000011544-25-000009",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": 1.0,
          "filed": "2025-08-04",
          "accession": "0000011544-25-000024",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": 1.28,
          "filed": "2025-11-03",
          "accession": "0000011544-25-000032",
          "derived": false
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": 1.31,
          "filed": "2026-05-01",
          "accession": "0000011544-26-000011",
          "derived": false
        }
      ]
    }
  ]
}