| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Beginning Cash Position | | 1316000000.0 | 3441000000.0 | 3420000000.0 | 2102000000.0 | 1402000000.0 |
| Capital Expenditure | | -9742000000.0 | -9548000000.0 | -8514000000.0 | -8473000000.0 | -9274000000.0 |
| Capital Expenditure Reported | | -9519000000.0 | -9363000000.0 | -8115000000.0 | -8040000000.0 | -8721000000.0 |
| Cash Dividends Paid | | -3352000000.0 | -3782000000.0 | -4235000000.0 | -4452000000.0 | -4680000000.0 |
| Cash Flow From Continuing Financing Activities | | 12229000000.0 | 12149000000.0 | 7000000000.0 | 9360000000.0 | 12979000000.0 |
| Cash Flow From Continuing Investing Activities | | -18359000000.0 | -23467000000.0 | -22264000000.0 | -21683000000.0 | -23865000000.0 |
| Cash Flow From Continuing Operating Activities | | 8262000000.0 | 11301000000.0 | 13260000000.0 | 12208000000.0 | 12485000000.0 |
| Change In Other Current Assets | | -1429000000.0 | -350000000.0 | -855000000.0 | -1103000000.0 | -1360000000.0 |
| Change In Other Current Liabilities | | 1841000000.0 | -1043000000.0 | 1015000000.0 | 1066000000.0 | 987000000.0 |
| Change In Working Capital | | 412000000.0 | -1393000000.0 | 160000000.0 | -37000000.0 | -373000000.0 |
| Changes In Cash | | 2132000000.0 | -17000000.0 | -2004000000.0 | -115000000.0 | 1599000000.0 |
| Common Stock Dividend Paid | | -3352000000.0 | -3782000000.0 | -4235000000.0 | -4452000000.0 | -4680000000.0 |
| Common Stock Issuance | | 1514000000.0 | 4514000000.0 | 48000000.0 | 50000000.0 | 2038000000.0 |
| Deferred Income Tax | | 534000000.0 | 708000000.0 | 1308000000.0 | 174000000.0 | 453000000.0 |
| Deferred Tax | | 534000000.0 | 708000000.0 | 1308000000.0 | 174000000.0 | 453000000.0 |
| Depreciation | | 4790000000.0 | 6151000000.0 | 5761000000.0 | 6335000000.0 | 6941000000.0 |
| Depreciation Amortization Depletion | | 4790000000.0 | 6151000000.0 | 5761000000.0 | 6335000000.0 | 6941000000.0 |
| Depreciation And Amortization | | 4790000000.0 | 6151000000.0 | 5761000000.0 | 6335000000.0 | 6941000000.0 |
| Dividend Received CFO | | 541000000.0 | 712000000.0 | 811000000.0 | 670000000.0 | 446000000.0 |
| Earnings Losses From Equity Investments | | -203000000.0 | 648000000.0 | 246000000.0 | 1077000000.0 | 184000000.0 |
| Effect Of Exchange Rate Changes | | -7000000.0 | -4000000.0 | -14000000.0 | -5000000.0 | 5000000.0 |
| End Cash Position | | 3441000000.0 | 3420000000.0 | 1402000000.0 | 1987000000.0 | 3006000000.0 |
| Financing Cash Flow | | 12229000000.0 | 12149000000.0 | 7000000000.0 | 9360000000.0 | 12979000000.0 |
| Free Cash Flow | | -1480000000.0 | 1753000000.0 | 4746000000.0 | 3735000000.0 | 3211000000.0 |
| Gain Loss On Investment Securities | | 1378000000.0 | -1949000000.0 | -492000000.0 | 339000000.0 | 199000000.0 |
| Gain Loss On Sale Of Business | | -602000000.0 | -530000000.0 | -515000000.0 | -452000000.0 | -439000000.0 |
| Income Tax Paid Supplemental Data | 69000000.0 | | 321000000.0 | | | |
| Interest Paid Supplemental Data | | 1375000000.0 | 2463000000.0 | 2737000000.0 | 3233000000.0 | 3501000000.0 |
| Investing Cash Flow | | -18359000000.0 | -23467000000.0 | -22264000000.0 | -21683000000.0 | -23865000000.0 |
| Issuance Of Capital Stock | | 1514000000.0 | 4514000000.0 | 48000000.0 | 50000000.0 | 2038000000.0 |
| Issuance Of Debt | | 15938000000.0 | 18778000000.0 | 31344000000.0 | 30728000000.0 | 26237000000.0 |
| Long Term Debt Issuance | | 13856000000.0 | 13857000000.0 | 24769000000.0 | 23654000000.0 | 23394000000.0 |
| Long Term Debt Payments | | -4525000000.0 | -7978000000.0 | -10113000000.0 | -8774000000.0 | -10347000000.0 |
| Net Business Purchase And Sale | | 0.0 | 924000000.0 | 0.0 | | 0.0 |
| Net Common Stock Issuance | | 1514000000.0 | 4514000000.0 | 48000000.0 | 50000000.0 | 2038000000.0 |
| Net Foreign Currency Exchange Gain Loss | | -104000000.0 | 92000000.0 | -85000000.0 | 3000000.0 | 110000000.0 |
| Net Income From Continuing Operations | | 3246000000.0 | 6282000000.0 | 5698000000.0 | 4569000000.0 | 5332000000.0 |
| Net Investment Purchase And Sale | | -8706000000.0 | -14733000000.0 | -13734000000.0 | -13296000000.0 | -14709000000.0 |
| Net Issuance Payments Of Debt | | 10288000000.0 | 8187000000.0 | 11638000000.0 | 12838000000.0 | 13723000000.0 |
| Net Long Term Debt Issuance | | 9331000000.0 | 5879000000.0 | 14656000000.0 | 14880000000.0 | 13047000000.0 |
| Net Other Financing Charges | | 3779000000.0 | 3230000000.0 | -451000000.0 | 924000000.0 | 1898000000.0 |
| Net Other Investing Changes | | 89000000.0 | -110000000.0 | -16000000.0 | 86000000.0 | 118000000.0 |
| Net PPEPurchase And Sale | | -223000000.0 | -185000000.0 | -399000000.0 | -433000000.0 | -553000000.0 |
| Net Short Term Debt Issuance | | 957000000.0 | 2308000000.0 | -3018000000.0 | -2042000000.0 | 676000000.0 |
| Operating Cash Flow | | 8262000000.0 | 11301000000.0 | 13260000000.0 | 12208000000.0 | 12485000000.0 |
| Operating Gains Losses | | 469000000.0 | -1739000000.0 | -846000000.0 | 967000000.0 | 54000000.0 |
| Other Non Cash Items | | -2191000000.0 | 739000000.0 | 475000000.0 | -363000000.0 | -261000000.0 |
| Purchase Of Investment | | -14127000000.0 | -21491000000.0 | -21838000000.0 | -21382000000.0 | -21225000000.0 |
| Purchase Of PPE | | -223000000.0 | -185000000.0 | -399000000.0 | -433000000.0 | -553000000.0 |
| Repayment Of Debt | | -5650000000.0 | -10591000000.0 | -19706000000.0 | -17890000000.0 | -12514000000.0 |
| Sale Of Business | | 0.0 | 924000000.0 | 0.0 | | 0.0 |
| Sale Of Investment | | 5421000000.0 | 6758000000.0 | 8104000000.0 | 8086000000.0 | 6516000000.0 |
| Short Term Debt Issuance | | 2082000000.0 | 4921000000.0 | 6575000000.0 | 7074000000.0 | 2843000000.0 |
| Short Term Debt Payments | | -1125000000.0 | -2613000000.0 | -9593000000.0 | -9116000000.0 | -2167000000.0 |
| Unrealized Gain Loss On Investment Securities | | 461000000.0 | -159000000.0 | -107000000.0 | | -107000000.0 |