| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Asset Impairment Charge | | 34000000.0 | 9000000.0 | 11000000.0 | 5102000000.0 | 11000000.0 |
| Beginning Cash Position | | 466000000.0 | 327000000.0 | 281000000.0 | 331000000.0 | 295000000.0 |
| Capital Expenditure | | -1310000000.0 | -243000000.0 | -176000000.0 | -1216000000.0 | -182000000.0 |
| Capital Expenditure Reported | | -1310000000.0 | -243000000.0 | -176000000.0 | -1216000000.0 | -182000000.0 |
| Cash Dividends Paid | | -2602000000.0 | -2723000000.0 | -2729000000.0 | -2514000000.0 | -2080000000.0 |
| Cash Flow From Continuing Financing Activities | | -1665000000.0 | -1654000000.0 | -1708000000.0 | -2013000000.0 | -1886000000.0 |
| Cash Flow From Continuing Investing Activities | | -1352000000.0 | -334000000.0 | -175000000.0 | -1210000000.0 | -178000000.0 |
| Cash Flow From Continuing Operating Activities | | 2878000000.0 | 1934000000.0 | 1820000000.0 | 3024000000.0 | 1872000000.0 |
| Cash From Discontinued Investing Activities | | | -1185000000.0 | -1045000000.0 | | -980000000.0 |
| Cash From Discontinued Operating Activities | | 0.0 | 1192000000.0 | 1123000000.0 | | 1185000000.0 |
| Change In Account Payable | | -5000000.0 | -9000000.0 | -19000000.0 | -6000000.0 | 17000000.0 |
| Change In Accrued Expense | | 0.0 | 36000000.0 | 25000000.0 | 10000000.0 | -9000000.0 |
| Change In Interest Payable | | 0.0 | 36000000.0 | 25000000.0 | 10000000.0 | -9000000.0 |
| Change In Other Current Assets | | -412000000.0 | -251000000.0 | -113000000.0 | -47000000.0 | 11000000.0 |
| Change In Other Current Liabilities | | -281000000.0 | -182000000.0 | -170000000.0 | -12000000.0 | -55000000.0 |
| Change In Payable | | -5000000.0 | -9000000.0 | -19000000.0 | | 17000000.0 |
| Change In Payables And Accrued Expense | | -5000000.0 | 27000000.0 | 6000000.0 | 4000000.0 | 8000000.0 |
| Change In Receivables | | -49000000.0 | 152000000.0 | 35000000.0 | 1000000.0 | 3000000.0 |
| Change In Working Capital | | -747000000.0 | -254000000.0 | -242000000.0 | -54000000.0 | -33000000.0 |
| Changes In Cash | | -139000000.0 | -47000000.0 | 15000000.0 | -57000000.0 | 13000000.0 |
| Common Stock Dividend Paid | | -2602000000.0 | -2723000000.0 | -2729000000.0 | -2514000000.0 | -2080000000.0 |
| Common Stock Payments | | -65000000.0 | -30000000.0 | -33000000.0 | -26000000.0 | -23000000.0 |
| Deferred Income Tax | | 3000000.0 | 9000000.0 | 4000000.0 | 0.0 | 0.0 |
| Deferred Tax | | 3000000.0 | 9000000.0 | 4000000.0 | 0.0 | 0.0 |
| Depreciation | | 1707000000.0 | 787000000.0 | 736000000.0 | 1719000000.0 | 690000000.0 |
| Depreciation Amortization Depletion | | 1707000000.0 | 787000000.0 | 736000000.0 | 1719000000.0 | 690000000.0 |
| Depreciation And Amortization | | 1707000000.0 | 787000000.0 | 736000000.0 | 1719000000.0 | 690000000.0 |
| Effect Of Exchange Rate Changes | | 0.0 | 1000000.0 | -1000000.0 | 0.0 | 0.0 |
| End Cash Position | | 327000000.0 | 281000000.0 | 295000000.0 | 274000000.0 | 308000000.0 |
| Financing Cash Flow | | -1665000000.0 | -1654000000.0 | -1708000000.0 | -2013000000.0 | -1886000000.0 |
| Free Cash Flow | | 1568000000.0 | 2883000000.0 | 2767000000.0 | 1833000000.0 | 2875000000.0 |
| Income Tax Paid Supplemental Data | 20000000.0 | 10000000.0 | 18000000.0 | 17000000.0 | | 15000000.0 |
| Interest Paid Supplemental Data | 661000000.0 | 684000000.0 | 800000000.0 | 895000000.0 | | 965000000.0 |
| Investing Cash Flow | | -1352000000.0 | -1519000000.0 | -1220000000.0 | -1093000000.0 | -1158000000.0 |
| Issuance Of Debt | | 4243000000.0 | 7456000000.0 | 1244000000.0 | 1644000000.0 | 1200000000.0 |
| Long Term Debt Issuance | | 4243000000.0 | 7456000000.0 | 1244000000.0 | 1644000000.0 | 1200000000.0 |
| Long Term Debt Payments | | -4203000000.0 | -5077000000.0 | -1519000000.0 | -1572000000.0 | -1573000000.0 |
| Net Business Purchase And Sale | | -35000000.0 | -96000000.0 | -8000000.0 | -1000000.0 | 0.0 |
| Net Common Stock Issuance | | -65000000.0 | -30000000.0 | -33000000.0 | -26000000.0 | -23000000.0 |
| Net Income From Continuing Operations | | 1675000000.0 | 1237000000.0 | 1162000000.0 | -4995000000.0 | -472000000.0 |
| Net Issuance Payments Of Debt | | 1016000000.0 | 1138000000.0 | 1066000000.0 | 539000000.0 | 217000000.0 |
| Net Long Term Debt Issuance | | 40000000.0 | 2379000000.0 | -275000000.0 | 72000000.0 | -373000000.0 |
| Net Other Financing Charges | -42000000.0 | -14000000.0 | -39000000.0 | -12000000.0 | | |
| Net Other Investing Changes | | -7000000.0 | 5000000.0 | 9000000.0 | 7000000.0 | 4000000.0 |
| Net Short Term Debt Issuance | | 976000000.0 | -1241000000.0 | 1341000000.0 | 467000000.0 | 590000000.0 |
| Operating Cash Flow | | 2878000000.0 | 3126000000.0 | 2943000000.0 | 3049000000.0 | 3057000000.0 |
| Operating Gains Losses | 145000000.0 | 28000000.0 | | | | |
| Other Non Cash Items | | 22000000.0 | 44000000.0 | 65000000.0 | 1135000000.0 | 1603000000.0 |
| Preferred Stock Dividend Paid | 0.0 | 0.0 | | | | |
| Provisionand Write Offof Assets | 4000000.0 | 3000000.0 | 8000000.0 | | | |
| Purchase Of Business | | -35000000.0 | -96000000.0 | -8000000.0 | -1000000.0 | 0.0 |
| Repayment Of Debt | | -4203000000.0 | -5077000000.0 | -1519000000.0 | -1572000000.0 | -1573000000.0 |
| Repurchase Of Capital Stock | | -65000000.0 | -30000000.0 | -33000000.0 | -26000000.0 | -23000000.0 |
| Short Term Debt Issuance | 1245000000.0 | | | | | |
| Short Term Debt Payments | -20000000.0 | | | | | |
| Stock Based Compensation | | 156000000.0 | 102000000.0 | 84000000.0 | 117000000.0 | 73000000.0 |