| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-09-30 |
| Amortization Cash Flow | 106000000.0 | 158000000.0 | 137000000.0 | | | |
| Amortization Of Intangibles | 106000000.0 | 158000000.0 | 137000000.0 | | | |
| Amortization Of Securities | 106000000.0 | 158000000.0 | 137000000.0 | 105000000.0 | 83000000.0 | 97000000.0 |
| Asset Impairment Charge | 544000000.0 | 206000000.0 | 128000000.0 | 43000000.0 | 28000000.0 | 28000000.0 |
| Beginning Cash Position | 3930000000.0 | 1110000000.0 | 2178000000.0 | 649000000.0 | 1080000000.0 | 1126000000.0 |
| Capital Expenditure | -269000000.0 | -373000000.0 | -622000000.0 | -490000000.0 | -909000000.0 | -1043000000.0 |
| Capital Expenditure Reported | -269000000.0 | -367000000.0 | -598000000.0 | -472000000.0 | -895000000.0 | -1035000000.0 |
| Cash Dividends Paid | -319000000.0 | -332000000.0 | -381000000.0 | -405000000.0 | -408000000.0 | -409000000.0 |
| Cash Flow From Continuing Financing Activities | -272000000.0 | 1043000000.0 | -400000000.0 | -1755000000.0 | -1819000000.0 | -1254000000.0 |
| Cash Flow From Continuing Investing Activities | -3039000000.0 | -332000000.0 | -910000000.0 | -24000000.0 | -905000000.0 | -1527000000.0 |
| Cash Flow From Continuing Operating Activities | 493000000.0 | 360000000.0 | -221000000.0 | 2306000000.0 | 2289000000.0 | 2742000000.0 |
| Cash Flow From Discontinued Operation | 0.0 | | | | | |
| Cash From Discontinued Financing Activities | 0.0 | | | | | |
| Cash From Discontinued Investing Activities | 0.0 | | | | | |
| Cash From Discontinued Operating Activities | 0.0 | | | | | |
| Change In Account Payable | 476000000.0 | 1295000000.0 | -1455000000.0 | 170000000.0 | | |
| Change In Accrued Expense | -55000000.0 | -29000000.0 | 360000000.0 | 136000000.0 | | |
| Change In Inventory | -61000000.0 | -252000000.0 | 189000000.0 | 111000000.0 | | |
| Change In Other Working Capital | -2274000000.0 | -2095000000.0 | 84000000.0 | -548000000.0 | 449000000.0 | -207000000.0 |
| Change In Payable | 476000000.0 | 1295000000.0 | -1455000000.0 | 170000000.0 | | |
| Change In Payables And Accrued Expense | 421000000.0 | 1266000000.0 | -1095000000.0 | 306000000.0 | | |
| Change In Prepaid Assets | 31000000.0 | -69000000.0 | -401000000.0 | -539000000.0 | | |
| Change In Receivables | -1232000000.0 | -1560000000.0 | 840000000.0 | -366000000.0 | | |
| Change In Working Capital | -3115000000.0 | -2710000000.0 | -383000000.0 | -1036000000.0 | -39000000.0 | -695000000.0 |
| Changes In Account Receivables | -1232000000.0 | -1560000000.0 | 840000000.0 | -366000000.0 | | |
| Changes In Cash | -2818000000.0 | 1071000000.0 | -1531000000.0 | 527000000.0 | -435000000.0 | -39000000.0 |
| Common Stock Dividend Paid | -319000000.0 | -332000000.0 | -381000000.0 | -405000000.0 | | |
| Common Stock Issuance | 1000000.0 | 0.0 | 0.0 | | | |
| Common Stock Payments | -48000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1540000000.0 | -1668000000.0 |
| Deferred Income Tax | 604000000.0 | | | | | |
| Deferred Tax | 604000000.0 | | | | | |
| Depreciation | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | | 924000000.0 |
| Depreciation Amortization Depletion | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | 962000000.0 | 924000000.0 |
| Depreciation And Amortization | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | 962000000.0 | 924000000.0 |
| Dividend Received CFO | 20000000.0 | 7000000.0 | -6000000.0 | | | |
| Earnings Losses From Equity Investments | | 7000000.0 | -6000000.0 | -13000000.0 | -10000000.0 | -9000000.0 |
| Effect Of Exchange Rate Changes | -2000000.0 | -3000000.0 | 2000000.0 | -3000000.0 | -2000000.0 | -2000000.0 |
| End Cash Position | 1110000000.0 | 2178000000.0 | 649000000.0 | 1173000000.0 | 645000000.0 | 1087000000.0 |
| Financing Cash Flow | -272000000.0 | 1043000000.0 | -400000000.0 | -1755000000.0 | -1819000000.0 | -1254000000.0 |
| Free Cash Flow | 224000000.0 | -13000000.0 | -843000000.0 | 1816000000.0 | 1380000000.0 | 1699000000.0 |
| Gain Loss On Investment Securities | -3626000000.0 | | | | | |
| Income Tax Paid Supplemental Data | 32000000.0 | 66000000.0 | 48000000.0 | 182000000.0 | | |
| Interest Paid Supplemental Data | 433000000.0 | 383000000.0 | 548000000.0 | 626000000.0 | | |
| Investing Cash Flow | -3039000000.0 | -332000000.0 | -910000000.0 | -24000000.0 | -905000000.0 | -1527000000.0 |
| Issuance Of Capital Stock | 1000000.0 | 0.0 | 635000000.0 | 0.0 | | |
| Issuance Of Debt | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 3615000000.0 | 5275000000.0 |
| Long Term Debt Issuance | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 3615000000.0 | 5275000000.0 |
| Net Business Purchase And Sale | -3559000000.0 | -62000000.0 | -2523000000.0 | -38000000.0 | -592000000.0 | -596000000.0 |
| Net Common Stock Issuance | -47000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1540000000.0 | -1668000000.0 |
| Net Income From Continuing Operations | 2187000000.0 | 1221000000.0 | -202000000.0 | 1125000000.0 | 522000000.0 | 1441000000.0 |
| Net Intangibles Purchase And Sale | 0.0 | -6000000.0 | -24000000.0 | -18000000.0 | -14000000.0 | -8000000.0 |
| Net Investment Purchase And Sale | -41000000.0 | -6000000.0 | -12000000.0 | 0.0 | | |
| Net Issuance Payments Of Debt | -761000000.0 | -5000000.0 | 208000000.0 | -55000000.0 | 151000000.0 | 1156000000.0 |
| Net Long Term Debt Issuance | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 4456000000.0 | 5461000000.0 |
| Net Other Financing Charges | 855000000.0 | 1986000000.0 | 310000000.0 | -310000000.0 | -22000000.0 | -333000000.0 |
| Net Other Investing Changes | 830000000.0 | 109000000.0 | 2247000000.0 | 504000000.0 | 596000000.0 | 112000000.0 |
| Net Preferred Stock Issuance | 0.0 | 0.0 | 635000000.0 | 0.0 | | |
| Net Short Term Debt Issuance | -3276000000.0 | -5000000.0 | -3543000000.0 | -4305000000.0 | | |
| Operating Cash Flow | 493000000.0 | 360000000.0 | -221000000.0 | 2306000000.0 | 2289000000.0 | 2742000000.0 |
| Operating Gains Losses | -184000000.0 | -95000000.0 | -1674000000.0 | 177000000.0 | -68000000.0 | 135000000.0 |
| Other Non Cash Items | -620000000.0 | 853000000.0 | 247000000.0 | 405000000.0 | 400000000.0 | 422000000.0 |
| Preferred Stock Issuance | 0.0 | 0.0 | 635000000.0 | 0.0 | | |
| Provisionand Write Offof Assets | 698000000.0 | 11000000.0 | 251000000.0 | 314000000.0 | 294000000.0 | 287000000.0 |
| Purchase Of Business | -3559000000.0 | -62000000.0 | -2523000000.0 | -38000000.0 | -592000000.0 | -596000000.0 |
| Purchase Of Intangibles | 0.0 | -6000000.0 | -24000000.0 | -18000000.0 | -14000000.0 | -8000000.0 |
| Purchase Of Investment | -751000000.0 | -454000000.0 | -367000000.0 | 0.0 | | |
| Repayment Of Debt | -3276000000.0 | -5000000.0 | -3543000000.0 | -4305000000.0 | -3464000000.0 | -4119000000.0 |
| Repurchase Of Capital Stock | -48000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1540000000.0 | -1668000000.0 |
| Sale Of Investment | 710000000.0 | 448000000.0 | 355000000.0 | 0.0 | | |
| Short Term Debt Issuance | 1415000000.0 | 0.0 | 3020000000.0 | | | |
| Short Term Debt Payments | -3276000000.0 | -5000000.0 | -3543000000.0 | -4305000000.0 | | |
| Stock Based Compensation | 21000000.0 | 28000000.0 | 101000000.0 | 102000000.0 | 107000000.0 | 103000000.0 |
