| | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 |
| Asset Impairment Charge | | | 304000000.0 | 0.0 | 209000000.0 | 1281000000.0 | |
| Beginning Cash Position | | | 2194000000.0 | 2803000000.0 | 1026000000.0 | 1464000000.0 | 1895000000.0 |
| Capital Expenditure | | | -2870000000.0 | -4497000000.0 | -6270000000.0 | -7018000000.0 | -7370000000.0 |
| Capital Expenditure Reported | | | -2870000000.0 | -4497000000.0 | -6270000000.0 | -7018000000.0 | -7370000000.0 |
| Cash Dividends Paid | | | -839000000.0 | -1184000000.0 | -1365000000.0 | -1446000000.0 | -1526000000.0 |
| Cash Flow From Continuing Financing Activities | | | -8564000000.0 | -13715000000.0 | -4890000000.0 | 3844000000.0 | 1958000000.0 |
| Cash Flow From Continuing Investing Activities | | | -1174000000.0 | -4872000000.0 | -6980000000.0 | -14590000000.0 | -13639000000.0 |
| Cash Flow From Continuing Operating Activities | | | 10253000000.0 | 16810000000.0 | 12308000000.0 | 11739000000.0 | 12446000000.0 |
| Cash From Discontinued Financing Activities | | -8000000.0 | -8000000.0 | 0.0 | 0.0 | | |
| Cash From Discontinued Investing Activities | | -41000000.0 | -79000000.0 | 0.0 | 0.0 | | |
| Cash From Discontinued Operating Activities | | | 181000000.0 | 0.0 | 0.0 | -300000000.0 | |
| Change In Account Payable | | -3228000000.0 | | | | | |
| Change In Income Tax Payable | | 22000000.0 | | | | | |
| Change In Inventory | | | -86000000.0 | -230000000.0 | -91000000.0 | -46000000.0 | 984000000.0 |
| Change In Other Current Assets | | 350000000.0 | -119000000.0 | -335000000.0 | -13000000.0 | | |
| Change In Other Working Capital | 1071000000.0 | 22000000.0 | | -185000000.0 | 225000000.0 | 559000000.0 | 114000000.0 |
| Change In Payable | | -3206000000.0 | | | | | |
| Change In Payables And Accrued Expense | | | 865000000.0 | -478000000.0 | -549000000.0 | -661000000.0 | -1330000000.0 |
| Change In Receivables | | | -2086000000.0 | -432000000.0 | 1075000000.0 | 170000000.0 | 927000000.0 |
| Change In Tax Payable | | 22000000.0 | | | | | |
| Change In Working Capital | | | -1426000000.0 | -1325000000.0 | 660000000.0 | 22000000.0 | 576000000.0 |
| Changes In Account Receivables | | | | -97000000.0 | 1088000000.0 | -133000000.0 | 624000000.0 |
| Changes In Cash | | | 609000000.0 | -1777000000.0 | 438000000.0 | 693000000.0 | 465000000.0 |
| Common Stock Issuance | | | 31000000.0 | 293000000.0 | 135000000.0 | 584000000.0 | 1011000000.0 |
| Common Stock Payments | | | -8000000.0 | -3099000000.0 | -1798000000.0 | -27000000.0 | -18000000.0 |
| Deferred Income Tax | | | 46000000.0 | -1644000000.0 | 57000000.0 | -461000000.0 | -472000000.0 |
| Deferred Tax | | | 46000000.0 | -1644000000.0 | 57000000.0 | -461000000.0 | -472000000.0 |
| Depreciation Amortization Depletion | | | 8447000000.0 | 6926000000.0 | 6865000000.0 | 7371000000.0 | 7756000000.0 |
| Earnings Losses From Equity Investments | | | -70000000.0 | -219000000.0 | 144000000.0 | -79000000.0 | |
| End Cash Position | | | 2803000000.0 | 1026000000.0 | 1464000000.0 | 2157000000.0 | 2360000000.0 |
| Financing Cash Flow | | | -8572000000.0 | -13715000000.0 | -4890000000.0 | 3844000000.0 | 1958000000.0 |
| Free Cash Flow | | | 7564000000.0 | 12313000000.0 | 6038000000.0 | 4421000000.0 | 4776000000.0 |
| Gain Loss On Investment Securities | | 1666000000.0 | -192000000.0 | -308000000.0 | | | |
| Gain Loss On Sale Of Business | | 1666000000.0 | -192000000.0 | -308000000.0 | | | |
| Income Tax Paid Supplemental Data | | | 763000000.0 | 2184000000.0 | 1299000000.0 | 1203000000.0 | 1623000000.0 |
| Interest Paid Supplemental Data | | | 1685000000.0 | 1425000000.0 | 1099000000.0 | 1208000000.0 | 1379000000.0 |
| Investing Cash Flow | | | -1253000000.0 | -4872000000.0 | -6980000000.0 | -14590000000.0 | -13639000000.0 |
| Issuance Of Capital Stock | | | 31000000.0 | 293000000.0 | 135000000.0 | 584000000.0 | 1011000000.0 |
| Issuance Of Debt | | | 0.0 | 400000000.0 | 900000000.0 | 9612000000.0 | |
| Long Term Debt Issuance | | | 0.0 | 400000000.0 | 900000000.0 | 9612000000.0 | |
| Long Term Debt Payments | | | -6834000000.0 | -9884000000.0 | -968000000.0 | -4514000000.0 | -6794000000.0 |
| Net Business Purchase And Sale | | | 406000000.0 | -116000000.0 | -470000000.0 | -212000000.0 | -307000000.0 |
| Net Common Stock Issuance | | | 23000000.0 | -2806000000.0 | -1663000000.0 | 557000000.0 | 993000000.0 |
| Net Income From Continuing Operations | | | 2322000000.0 | 13304000000.0 | 4696000000.0 | 3078000000.0 | 2433000000.0 |
| Net Issuance Payments Of Debt | | | -6834000000.0 | -9484000000.0 | -68000000.0 | 5098000000.0 | 2818000000.0 |
| Net Long Term Debt Issuance | | | -6834000000.0 | -9484000000.0 | -68000000.0 | 5098000000.0 | 2818000000.0 |
| Net Other Financing Charges | | | -914000000.0 | -241000000.0 | -133000000.0 | -365000000.0 | -327000000.0 |
| Net Other Investing Changes | | | 1290000000.0 | -259000000.0 | -240000000.0 | -7360000000.0 | -5962000000.0 |
| Net Preferred Stock Issuance | | | 0.0 | 0.0 | -1661000000.0 | 0.0 | |
| Operating Cash Flow | | | 10434000000.0 | 16810000000.0 | 12308000000.0 | 11439000000.0 | 12146000000.0 |
| Operating Gains Losses | | | -262000000.0 | -527000000.0 | -378000000.0 | -19000000.0 | 29000000.0 |
| Other Non Cash Items | | | 822000000.0 | 76000000.0 | 199000000.0 | 467000000.0 | 843000000.0 |
| Preferred Stock Issuance | 9950000000.0 | | | | | | |
| Preferred Stock Payments | | | 0.0 | 0.0 | -1661000000.0 | 0.0 | |
| Purchase Of Business | | -114000000.0 | -431000000.0 | -990000000.0 | | | |
| Repayment Of Debt | | | -6834000000.0 | -9884000000.0 | -968000000.0 | -4514000000.0 | -6794000000.0 |
| Repurchase Of Capital Stock | | | -8000000.0 | -3099000000.0 | -3459000000.0 | -27000000.0 | -18000000.0 |