| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-09-30 |
| Amortization Of Securities | 54000000.0 | 31000000.0 | -61000000.0 | -95000000.0 | -77000000.0 | -73000000.0 |
| Beginning Cash Position | 2636000000.0 | 6860000000.0 | 3217000000.0 | 2928000000.0 | 2480000000.0 | 1647000000.0 |
| Capital Expenditure | -284000000.0 | -400000000.0 | -707000000.0 | -1051000000.0 | -803000000.0 | -685000000.0 |
| Cash Flow From Continuing Financing Activities | -873000000.0 | -3448000000.0 | -1377000000.0 | 56000000.0 | 21000000.0 | 9000000.0 |
| Cash Flow From Continuing Investing Activities | -8523000000.0 | -5176000000.0 | 4206000000.0 | 1949000000.0 | 1476000000.0 | 1455000000.0 |
| Cash Flow From Continuing Operating Activities | 13620000000.0 | 4981000000.0 | -3118000000.0 | -3004000000.0 | -2697000000.0 | -1978000000.0 |
| Change In Account Payable | 204000000.0 | 240000000.0 | 13000000.0 | -69000000.0 | -73000000.0 | -80000000.0 |
| Change In Accrued Expense | 989000000.0 | 612000000.0 | -340000000.0 | -385000000.0 | -316000000.0 | -166000000.0 |
| Change In Income Tax Payable | 876000000.0 | -828000000.0 | 15000000.0 | | | |
| Change In Inventory | -1394000000.0 | 492000000.0 | 747000000.0 | 83000000.0 | 158000000.0 | 78000000.0 |
| Change In Other Current Assets | -58000000.0 | 21000000.0 | -605000000.0 | -53000000.0 | 28000000.0 | 38000000.0 |
| Change In Other Current Liabilities | 140000000.0 | -754000000.0 | 639000000.0 | 106000000.0 | 113000000.0 | -16000000.0 |
| Change In Other Working Capital | 2824000000.0 | -4157000000.0 | -2060000000.0 | -439000000.0 | -517000000.0 | -154000000.0 |
| Change In Payable | 1080000000.0 | 240000000.0 | 13000000.0 | -69000000.0 | -73000000.0 | -80000000.0 |
| Change In Payables And Accrued Expense | 2069000000.0 | 852000000.0 | -327000000.0 | -454000000.0 | -389000000.0 | -246000000.0 |
| Change In Prepaid Assets | -489000000.0 | -2258000000.0 | 1802000000.0 | 145000000.0 | -8000000.0 | 208000000.0 |
| Change In Receivables | -1784000000.0 | 1790000000.0 | 493000000.0 | 534000000.0 | 115000000.0 | 503000000.0 |
| Change In Tax Payable | 876000000.0 | -828000000.0 | 15000000.0 | | | |
| Change In Working Capital | 1308000000.0 | -4014000000.0 | 689000000.0 | -78000000.0 | -500000000.0 | 411000000.0 |
| Changes In Account Receivables | -1784000000.0 | 1790000000.0 | 493000000.0 | 534000000.0 | 115000000.0 | 503000000.0 |
| Changes In Cash | 4224000000.0 | -3643000000.0 | -289000000.0 | -999000000.0 | -1200000000.0 | -514000000.0 |
| Common Stock Issuance | 124000000.0 | 65000000.0 | 46000000.0 | 66000000.0 | 36000000.0 | 30000000.0 |
| Common Stock Payments | -857000000.0 | -3329000000.0 | -1153000000.0 | 0.0 | | |
| Deferred Income Tax | -318000000.0 | -559000000.0 | 828000000.0 | | | |
| Deferred Tax | -318000000.0 | -559000000.0 | 828000000.0 | | | |
| Depreciation Amortization Depletion | 232000000.0 | 348000000.0 | 621000000.0 | 189000000.0 | 208000000.0 | 208000000.0 |
| Depreciation And Amortization | 232000000.0 | 348000000.0 | 621000000.0 | 189000000.0 | 208000000.0 | 208000000.0 |
| Earnings Losses From Equity Investments | 0.0 | 0.0 | 35000000.0 | 52000000.0 | 25000000.0 | 14000000.0 |
| End Cash Position | 6860000000.0 | 3217000000.0 | 2928000000.0 | 1929000000.0 | 1280000000.0 | 1133000000.0 |
| Financing Cash Flow | -873000000.0 | -3448000000.0 | -1377000000.0 | 56000000.0 | 21000000.0 | 9000000.0 |
| Free Cash Flow | 13336000000.0 | 4581000000.0 | -3825000000.0 | -4055000000.0 | -3500000000.0 | -2663000000.0 |
| Income Tax Paid Supplemental Data | 480000000.0 | 2729000000.0 | | 197000000.0 | | |
| Interest Paid Supplemental Data | 14000000.0 | 25000000.0 | 39000000.0 | 24000000.0 | | |
| Investing Cash Flow | -8523000000.0 | -5176000000.0 | 4206000000.0 | 1949000000.0 | 1476000000.0 | 1455000000.0 |
| Issuance Of Capital Stock | 124000000.0 | 65000000.0 | 46000000.0 | 66000000.0 | 36000000.0 | 30000000.0 |
| Long Term Debt Payments | -140000000.0 | | | | | |
| Net Business Purchase And Sale | 0.0 | 0.0 | -85000000.0 | 0.0 | | |
| Net Common Stock Issuance | -733000000.0 | -3264000000.0 | -1107000000.0 | 66000000.0 | 36000000.0 | 30000000.0 |
| Net Income From Continuing Operations | 12202000000.0 | 8362000000.0 | -4714000000.0 | -3561000000.0 | -2903000000.0 | -3116000000.0 |
| Net Investment Purchase And Sale | -8209000000.0 | -4736000000.0 | 5021000000.0 | 3000000000.0 | 2279000000.0 | 2140000000.0 |
| Net Issuance Payments Of Debt | -140000000.0 | -184000000.0 | -270000000.0 | -10000000.0 | -14000000.0 | -20000000.0 |
| Net Long Term Debt Issuance | -140000000.0 | -184000000.0 | -270000000.0 | -10000000.0 | -14000000.0 | -20000000.0 |
| Net Other Investing Changes | -30000000.0 | -40000000.0 | -23000000.0 | | | |
| Net PPEPurchase And Sale | -284000000.0 | -400000000.0 | -707000000.0 | -1051000000.0 | -793000000.0 | -675000000.0 |
| Operating Cash Flow | 13620000000.0 | 4981000000.0 | -3118000000.0 | -3004000000.0 | -2697000000.0 | -1978000000.0 |
| Operating Gains Losses | | | 35000000.0 | 52000000.0 | 25000000.0 | 14000000.0 |
| Other Non Cash Items | | 28000000.0 | 7000000.0 | 60000000.0 | 89000000.0 | 104000000.0 |
| Proceeds From Stock Option Exercised | 124000000.0 | 65000000.0 | 46000000.0 | | | |
| Purchase Of Business | 0.0 | 0.0 | -85000000.0 | 0.0 | | |
| Purchase Of Investment | -12652000000.0 | -11435000000.0 | -3760000000.0 | -6529000000.0 | -6198000000.0 | -6109000000.0 |
| Purchase Of PPE | -284000000.0 | -400000000.0 | -707000000.0 | -1051000000.0 | -793000000.0 | -675000000.0 |
| Repayment Of Debt | -140000000.0 | | | | | |
| Repurchase Of Capital Stock | -857000000.0 | -3329000000.0 | -1153000000.0 | 0.0 | | |
| Sale Of Investment | 4443000000.0 | 6699000000.0 | 8781000000.0 | 9529000000.0 | 8477000000.0 | 8249000000.0 |
| Stock Based Compensation | 142000000.0 | 226000000.0 | 305000000.0 | 429000000.0 | 461000000.0 | 474000000.0 |
