| | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-03-31 |
| Amortization Cash Flow | 70000000.0 | 106000000.0 | 158000000.0 | 137000000.0 | | |
| Amortization Of Intangibles | 70000000.0 | 106000000.0 | 158000000.0 | 137000000.0 | | |
| Amortization Of Securities | | 106000000.0 | 158000000.0 | 137000000.0 | 105000000.0 | 71000000.0 |
| Asset Impairment Charge | | 544000000.0 | 206000000.0 | 128000000.0 | 43000000.0 | |
| Beginning Cash Position | | 3930000000.0 | 1110000000.0 | 2178000000.0 | 649000000.0 | 534000000.0 |
| Capital Expenditure | | -269000000.0 | -373000000.0 | -622000000.0 | -490000000.0 | -634000000.0 |
| Capital Expenditure Reported | | -269000000.0 | -367000000.0 | -598000000.0 | -472000000.0 | -620000000.0 |
| Cash Dividends Paid | | -319000000.0 | -332000000.0 | -381000000.0 | -405000000.0 | -408000000.0 |
| Cash Flow From Continuing Financing Activities | | -272000000.0 | 1043000000.0 | -400000000.0 | -1755000000.0 | -1925000000.0 |
| Cash Flow From Continuing Investing Activities | | -3039000000.0 | -332000000.0 | -910000000.0 | -24000000.0 | -66000000.0 |
| Cash Flow From Continuing Operating Activities | | 493000000.0 | 360000000.0 | -221000000.0 | 2306000000.0 | 2894000000.0 |
| Cash Flow From Discontinued Operation | 0.0 | 0.0 | | | | |
| Cash From Discontinued Financing Activities | 0.0 | 0.0 | | | | |
| Cash From Discontinued Investing Activities | 0.0 | 0.0 | | | | |
| Cash From Discontinued Operating Activities | 0.0 | 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 | 39000000.0 |
| 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 | -449000000.0 |
| Changes In Account Receivables | | -1232000000.0 | -1560000000.0 | 840000000.0 | -366000000.0 | |
| Changes In Cash | | -2818000000.0 | 1071000000.0 | -1531000000.0 | 527000000.0 | 903000000.0 |
| Common Stock Dividend Paid | | -319000000.0 | -332000000.0 | -381000000.0 | -405000000.0 | |
| Common Stock Issuance | 1000000.0 | 1000000.0 | 0.0 | 0.0 | | |
| Common Stock Payments | | -48000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1316000000.0 |
| Deferred Income Tax | 228000000.0 | 604000000.0 | | | | |
| Deferred Tax | 228000000.0 | 604000000.0 | | | | |
| Depreciation | | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | 1021000000.0 |
| Depreciation Amortization Depletion | | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | 1021000000.0 |
| Depreciation And Amortization | | 836000000.0 | 688000000.0 | 1174000000.0 | 1071000000.0 | 1021000000.0 |
| Dividend Received CFO | 45000000.0 | 20000000.0 | 7000000.0 | -6000000.0 | | |
| Earnings Losses From Equity Investments | | | 7000000.0 | -6000000.0 | -13000000.0 | -12000000.0 |
| Effect Of Exchange Rate Changes | | -2000000.0 | -3000000.0 | 2000000.0 | -3000000.0 | 1000000.0 |
| End Cash Position | | 1110000000.0 | 2178000000.0 | 649000000.0 | 1173000000.0 | 1437000000.0 |
| Financing Cash Flow | | -272000000.0 | 1043000000.0 | -400000000.0 | -1755000000.0 | -1925000000.0 |
| Free Cash Flow | | 224000000.0 | -13000000.0 | -843000000.0 | 1816000000.0 | 2260000000.0 |
| Gain Loss On Investment Securities | 137000000.0 | -3626000000.0 | | | | |
| Gain Loss On Sale Of Business | 0.0 | | | | | |
| 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 | -66000000.0 |
| Issuance Of Capital Stock | | 1000000.0 | 0.0 | 635000000.0 | 0.0 | |
| Issuance Of Debt | | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 3725000000.0 |
| Long Term Debt Issuance | | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 3725000000.0 |
| Net Business Purchase And Sale | | -3559000000.0 | -62000000.0 | -2523000000.0 | -38000000.0 | |
| Net Common Stock Issuance | | -47000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1316000000.0 |
| Net Income From Continuing Operations | | 2187000000.0 | 1221000000.0 | -202000000.0 | 1125000000.0 | 1364000000.0 |
| Net Intangibles Purchase And Sale | | 0.0 | -6000000.0 | -24000000.0 | -18000000.0 | -14000000.0 |
| 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 | 37000000.0 |
| Net Long Term Debt Issuance | | 2515000000.0 | 0.0 | 3751000000.0 | 4250000000.0 | 4342000000.0 |
| Net Other Financing Charges | | 855000000.0 | 1986000000.0 | 310000000.0 | -310000000.0 | -238000000.0 |
| Net Other Investing Changes | | 830000000.0 | 109000000.0 | 2247000000.0 | 504000000.0 | 606000000.0 |
| 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 | 2894000000.0 |
| Operating Gains Losses | | -184000000.0 | -95000000.0 | -1674000000.0 | 177000000.0 | 119000000.0 |
| Other Non Cash Items | | -620000000.0 | 853000000.0 | 247000000.0 | 405000000.0 | 329000000.0 |
| Preferred Stock Issuance | | 0.0 | 0.0 | 635000000.0 | 0.0 | |
| Provisionand Write Offof Assets | | 698000000.0 | 11000000.0 | 251000000.0 | 314000000.0 | 295000000.0 |
| Purchase Of Business | | -3559000000.0 | -62000000.0 | -2523000000.0 | -38000000.0 | |
| Purchase Of Intangibles | | 0.0 | -6000000.0 | -24000000.0 | -18000000.0 | -14000000.0 |
| Purchase Of Investment | | -751000000.0 | -454000000.0 | -367000000.0 | 0.0 | |
| Repayment Of Debt | | -3276000000.0 | -5000000.0 | -3543000000.0 | -4305000000.0 | -3688000000.0 |
| Repurchase Of Capital Stock | | -48000000.0 | -606000000.0 | -1172000000.0 | -985000000.0 | -1316000000.0 |
| Sale Of Business | 2000000.0 | | | | | |
| 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 | 101000000.0 |
