| | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 |
| Asset Impairment Charge | | 225000000.0 | 324000000.0 | 178000000.0 | 61000000.0 |
| Beginning Cash Position | | 7391000000.0 | 7805000000.0 | 6677000000.0 | 7004000000.0 |
| Capital Expenditure | | -298000000.0 | -252000000.0 | -223000000.0 | -242000000.0 |
| Cash Flow From Continuing Financing Activities | | 1780000000.0 | 15000000.0 | -95000000.0 | -2087000000.0 |
| Cash Flow From Continuing Investing Activities | | -1201000000.0 | -1637000000.0 | -3226000000.0 | -3177000000.0 |
| Cash Flow From Continuing Operating Activities | | -445000000.0 | 642000000.0 | 3585000000.0 | 7137000000.0 |
| Change In Account Payable | | 90000000.0 | -133000000.0 | 64000000.0 | 86000000.0 |
| Change In Accrued Expense | | 1068000000.0 | 492000000.0 | 295000000.0 | 3149000000.0 |
| Change In Other Current Assets | | 165000000.0 | 193000000.0 | 191000000.0 | 196000000.0 |
| Change In Other Current Liabilities | | -184000000.0 | -215000000.0 | -180000000.0 | -221000000.0 |
| Change In Other Working Capital | 336000000.0 | 1376000000.0 | 736000000.0 | 2015000000.0 | 2819000000.0 |
| Change In Payable | | 90000000.0 | -133000000.0 | 64000000.0 | 86000000.0 |
| Change In Payables And Accrued Expense | | 1158000000.0 | 359000000.0 | 359000000.0 | 3235000000.0 |
| Change In Prepaid Assets | | -236000000.0 | -196000000.0 | -1462000000.0 | -694000000.0 |
| Change In Receivables | | -597000000.0 | -542000000.0 | -758000000.0 | -142000000.0 |
| Change In Working Capital | | 1682000000.0 | 335000000.0 | 165000000.0 | 2374000000.0 |
| Changes In Account Receivables | | -597000000.0 | -542000000.0 | -758000000.0 | -142000000.0 |
| Changes In Cash | | 134000000.0 | -980000000.0 | 264000000.0 | 1873000000.0 |
| Common Stock Issuance | | 675000000.0 | 255000000.0 | 0.0 | 0.0 |
| Common Stock Payments | 0.0 | | | | -1252000000.0 |
| Deferred Income Tax | | -692000000.0 | -441000000.0 | 26000000.0 | -6027000000.0 |
| Deferred Tax | | -692000000.0 | -441000000.0 | 26000000.0 | -6027000000.0 |
| Depreciation Amortization Depletion | | 902000000.0 | 947000000.0 | 823000000.0 | 737000000.0 |
| Depreciation And Amortization | | 902000000.0 | 947000000.0 | 823000000.0 | 737000000.0 |
| Earnings Losses From Equity Investments | | 37000000.0 | -107000000.0 | -48000000.0 | 38000000.0 |
| Effect Of Exchange Rate Changes | | -69000000.0 | -148000000.0 | 63000000.0 | -267000000.0 |
| End Cash Position | | 7805000000.0 | 6677000000.0 | 7004000000.0 | 8610000000.0 |
| Financing Cash Flow | | 1780000000.0 | 15000000.0 | -95000000.0 | -2087000000.0 |
| Free Cash Flow | | -743000000.0 | 390000000.0 | 3362000000.0 | 6895000000.0 |
| Gain Loss On Investment Securities | | -413000000.0 | -191000000.0 | 74000000.0 | |
| Gain Loss On Sale Of Business | | -1684000000.0 | -14000000.0 | -204000000.0 | 0.0 |
| Income Tax Paid Supplemental Data | | 87000000.0 | 175000000.0 | 234000000.0 | 324000000.0 |
| Interest Paid Supplemental Data | | 449000000.0 | 513000000.0 | 629000000.0 | 475000000.0 |
| Investing Cash Flow | | -1201000000.0 | -1637000000.0 | -3226000000.0 | -3177000000.0 |
| Issuance Of Capital Stock | | 675000000.0 | 255000000.0 | 0.0 | 0.0 |
| Issuance Of Debt | | 1766000000.0 | 0.0 | 2824000000.0 | 3972000000.0 |
| Long Term Debt Issuance | | 1766000000.0 | 0.0 | 2824000000.0 | 3972000000.0 |
| Long Term Debt Payments | | -842000000.0 | -264000000.0 | -2871000000.0 | -4158000000.0 |
| Net Business Purchase And Sale | | -1314000000.0 | -33000000.0 | 721000000.0 | 17000000.0 |
| Net Common Stock Issuance | | 675000000.0 | 255000000.0 | 0.0 | -1252000000.0 |
| Net Foreign Currency Exchange Gain Loss | | 38000000.0 | 96000000.0 | 138000000.0 | 308000000.0 |
| Net Income From Continuing Operations | | -570000000.0 | -9138000000.0 | 2156000000.0 | 9845000000.0 |
| Net Investment Purchase And Sale | | 696000000.0 | -1346000000.0 | -3757000000.0 | -2850000000.0 |
| Net Issuance Payments Of Debt | | 924000000.0 | -264000000.0 | -47000000.0 | -186000000.0 |
| Net Long Term Debt Issuance | | 924000000.0 | -264000000.0 | -47000000.0 | -186000000.0 |
| Net Other Financing Charges | | 74000000.0 | -68000000.0 | -178000000.0 | -805000000.0 |
| Net Other Investing Changes | | -285000000.0 | -6000000.0 | 33000000.0 | -102000000.0 |
| Net PPEPurchase And Sale | | -298000000.0 | -252000000.0 | -223000000.0 | -242000000.0 |
| Net Preferred Stock Issuance | 247000000.0 | 675000000.0 | | | |
| Operating Cash Flow | | -445000000.0 | 642000000.0 | 3585000000.0 | 7137000000.0 |
| Operating Gains Losses | | -2022000000.0 | -216000000.0 | -40000000.0 | 346000000.0 |
| Other Cash Adjustment Outside Changein Cash | -349000000.0 | 349000000.0 | 0.0 | 0.0 | |
| Other Non Cash Items | | 4000000.0 | -7000000.0 | -48000000.0 | -163000000.0 |
| Preferred Stock Issuance | 247000000.0 | 675000000.0 | | | |
| Proceeds From Stock Option Exercised | | 107000000.0 | 92000000.0 | 130000000.0 | 156000000.0 |
| Purchase Of Business | | -2314000000.0 | -59000000.0 | 0.0 | 0.0 |
| Purchase Of Investment | | -2095000000.0 | -1722000000.0 | -8826000000.0 | -13054000000.0 |
| Purchase Of PPE | | -298000000.0 | -252000000.0 | -223000000.0 | -242000000.0 |
| Repayment Of Debt | | -842000000.0 | -264000000.0 | -2871000000.0 | -4158000000.0 |
| Repurchase Of Capital Stock | 0.0 | | | | -1252000000.0 |
| Sale Of Business | | 1000000000.0 | 26000000.0 | 721000000.0 | 17000000.0 |
| Sale Of Investment | | 2791000000.0 | 376000000.0 | 5069000000.0 | 10204000000.0 |
| Sale Of PPE | 3000000.0 | | | | |
| Stock Based Compensation | | 1168000000.0 | 1793000000.0 | 1935000000.0 | 1796000000.0 |
| Unrealized Gain Loss On Investment Securities | | -1142000000.0 | 7045000000.0 | -1610000000.0 | -1832000000.0 |
