| | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-09-30 |
| Amortization Of Securities | | 10000000.0 | 54000000.0 | 31000000.0 | -61000000.0 | -96000000.0 |
| Beginning Cash Position | | 248000000.0 | 2636000000.0 | 6860000000.0 | 3217000000.0 | 2953000000.0 |
| Capital Expenditure | | -68000000.0 | -284000000.0 | -400000000.0 | -707000000.0 | -749000000.0 |
| Cash Flow From Continuing Financing Activities | | 2033000000.0 | -873000000.0 | -3448000000.0 | -1377000000.0 | -50000000.0 |
| Cash Flow From Continuing Investing Activities | | -1672000000.0 | -8523000000.0 | -5176000000.0 | 4206000000.0 | 1950000000.0 |
| Cash Flow From Continuing Operating Activities | | 2027000000.0 | 13620000000.0 | 4981000000.0 | -3118000000.0 | -3207000000.0 |
| Change In Account Payable | | 12000000.0 | 204000000.0 | 240000000.0 | 13000000.0 | -82000000.0 |
| Change In Accrued Expense | | 388000000.0 | 989000000.0 | 612000000.0 | -340000000.0 | -818000000.0 |
| Change In Income Tax Payable | | 0.0 | 876000000.0 | -828000000.0 | 15000000.0 | -51000000.0 |
| Change In Inventory | | -47000000.0 | -1394000000.0 | 492000000.0 | 747000000.0 | 77000000.0 |
| Change In Other Current Assets | | -11000000.0 | -58000000.0 | 21000000.0 | -605000000.0 | -11000000.0 |
| Change In Other Current Liabilities | | 20000000.0 | 140000000.0 | 74000000.0 | 624000000.0 | 26000000.0 |
| Change In Other Working Capital | | 3842000000.0 | 2824000000.0 | -4157000000.0 | -2060000000.0 | -1064000000.0 |
| Change In Payable | | 12000000.0 | 1080000000.0 | -588000000.0 | 28000000.0 | |
| Change In Payables And Accrued Expense | | 400000000.0 | 2069000000.0 | 24000000.0 | -312000000.0 | -951000000.0 |
| Change In Prepaid Assets | | -241000000.0 | -489000000.0 | -1699000000.0 | 974000000.0 | 55000000.0 |
| Change In Receivables | | -1385000000.0 | -1784000000.0 | 1790000000.0 | 493000000.0 | 302000000.0 |
| Change In Tax Payable | | 0.0 | 876000000.0 | -828000000.0 | 15000000.0 | -51000000.0 |
| Change In Working Capital | | 2578000000.0 | 1308000000.0 | -3455000000.0 | -139000000.0 | -1566000000.0 |
| Changes In Account Receivables | | -1385000000.0 | -1784000000.0 | 1790000000.0 | 493000000.0 | 302000000.0 |
| Changes In Cash | | 2388000000.0 | 4224000000.0 | -3643000000.0 | -289000000.0 | -1306000000.0 |
| Common Stock Issuance | | 2039000000.0 | 124000000.0 | 65000000.0 | 46000000.0 | 70000000.0 |
| Common Stock Payments | | 0.0 | -857000000.0 | -3329000000.0 | -1153000000.0 | 0.0 |
| Deferred Income Tax | | 0.0 | -318000000.0 | -559000000.0 | 828000000.0 | -106000000.0 |
| Deferred Tax | | 0.0 | -318000000.0 | -559000000.0 | 828000000.0 | -106000000.0 |
| Depreciation Amortization Depletion | | 31000000.0 | 232000000.0 | 348000000.0 | 621000000.0 | 331000000.0 |
| Depreciation And Amortization | | 31000000.0 | 232000000.0 | 348000000.0 | 621000000.0 | 331000000.0 |
| Earnings Losses From Equity Investments | | | 0.0 | 0.0 | 35000000.0 | 62000000.0 |
| End Cash Position | | 2636000000.0 | 6860000000.0 | 3217000000.0 | 2928000000.0 | 1647000000.0 |
| Financing Cash Flow | | 2033000000.0 | -873000000.0 | -3448000000.0 | -1377000000.0 | -50000000.0 |
| Free Cash Flow | | 1959000000.0 | 13336000000.0 | 4581000000.0 | -3825000000.0 | -3956000000.0 |
| Gain Loss On Sale Of PPE | 316000.0 | 238000.0 | | | | |
| Income Tax Paid Supplemental Data | 0.0 | 1000000.0 | 480000000.0 | 2729000000.0 | | |
| Interest Paid Supplemental Data | | 9000000.0 | 14000000.0 | 25000000.0 | 39000000.0 | |
| Investing Cash Flow | | -1672000000.0 | -8523000000.0 | -5176000000.0 | 4206000000.0 | 1950000000.0 |
| Issuance Of Capital Stock | | 2039000000.0 | 124000000.0 | 65000000.0 | 46000000.0 | 70000000.0 |
| Issuance Of Debt | 1000000.0 | 0.0 | | | | |
| Long Term Debt Issuance | 1000000.0 | 0.0 | | | | |
| Long Term Debt Payments | 0.0 | -6215000.0 | -140000000.0 | | | |
| Net Business Purchase And Sale | | | 0.0 | 0.0 | -85000000.0 | 0.0 |
| Net Common Stock Issuance | | 2039000000.0 | -733000000.0 | -3264000000.0 | -1107000000.0 | 70000000.0 |
| Net Income From Continuing Operations | | -747000000.0 | 12202000000.0 | 8362000000.0 | -4714000000.0 | -2224000000.0 |
| Net Investment Purchase And Sale | | -1604000000.0 | -8209000000.0 | -4736000000.0 | 5021000000.0 | 2722000000.0 |
| Net Issuance Payments Of Debt | | -6000000.0 | -140000000.0 | -184000000.0 | -270000000.0 | -120000000.0 |
| Net Long Term Debt Issuance | | -6000000.0 | -140000000.0 | -184000000.0 | -270000000.0 | -120000000.0 |
| Net Other Investing Changes | | | -30000000.0 | -40000000.0 | -23000000.0 | |
| Net PPEPurchase And Sale | | -68000000.0 | -284000000.0 | -400000000.0 | -707000000.0 | -749000000.0 |
| Net Preferred Stock Issuance | 0.0 | 0.0 | | | | |
| Operating Cash Flow | | 2027000000.0 | 13620000000.0 | 4981000000.0 | -3118000000.0 | -3207000000.0 |
| Operating Gains Losses | 316000.0 | 238000.0 | | | 35000000.0 | 62000000.0 |
| Other Non Cash Items | | 62000000.0 | | 28000000.0 | 7000000.0 | -12000000.0 |
| Preferred Stock Issuance | 0.0 | 0.0 | | | | |
| Preferred Stock Payments | 0.0 | 0.0 | | | | |
| Proceeds From Stock Option Exercised | | 179643000.0 | 124000000.0 | 65000000.0 | 46000000.0 | |
| Purchase Of Business | | | 0.0 | 0.0 | -85000000.0 | 0.0 |
| Purchase Of Investment | | -2956000000.0 | -12652000000.0 | -11435000000.0 | -3760000000.0 | -6281000000.0 |
| Purchase Of PPE | | -68000000.0 | -284000000.0 | -400000000.0 | -707000000.0 | -749000000.0 |
| Repayment Of Debt | 0.0 | -6215000.0 | -140000000.0 | | | |
| Repurchase Of Capital Stock | | 0.0 | -857000000.0 | -3329000000.0 | -1153000000.0 | 0.0 |
| Sale Of Investment | | 1352000000.0 | 4443000000.0 | 6699000000.0 | 8781000000.0 | 9003000000.0 |
| Stock Based Compensation | | 93000000.0 | 142000000.0 | 226000000.0 | 305000000.0 | 404000000.0 |
