| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Amortization Cash Flow | | 12000000.0 | 8000000.0 | 8000000.0 | 7000000.0 | 3000000.0 |
| Amortization Of Intangibles | | 12000000.0 | 8000000.0 | 8000000.0 | 7000000.0 | 3000000.0 |
| Asset Impairment Charge | 552000000.0 | 48000000.0 | 0.0 | 0.0 | | |
| Beginning Cash Position | | 1619000000.0 | 1090000000.0 | 1101000000.0 | 1535000000.0 | 939000000.0 |
| Capital Expenditure | | -7147000000.0 | -7408000000.0 | -7097000000.0 | -7590000000.0 | -8529000000.0 |
| Capital Expenditure Reported | | -7147000000.0 | -7408000000.0 | -7097000000.0 | -7590000000.0 | -8529000000.0 |
| Cash Dividends Paid | | -1334000000.0 | -1433000000.0 | -1524000000.0 | -1571000000.0 | -1617000000.0 |
| Cash Flow From Continuing Financing Activities | | 1591000000.0 | 2683000000.0 | 1311000000.0 | 1427000000.0 | 2533000000.0 |
| Cash Flow From Continuing Investing Activities | | -6990000000.0 | -7375000000.0 | -7042000000.0 | -7537000000.0 | -8525000000.0 |
| Cash Flow From Continuing Operating Activities | | 4870000000.0 | 4703000000.0 | 5569000000.0 | 5826000000.0 | 6254000000.0 |
| Change In Account Payable | 440000000.0 | 1318000000.0 | -191000000.0 | | | |
| Change In Income Tax Payable | 327000000.0 | -4000000.0 | 48000000.0 | | | |
| Change In Inventory | | -121000000.0 | -45000000.0 | -56000000.0 | -51000000.0 | -22000000.0 |
| Change In Other Working Capital | | -2235000000.0 | -579000000.0 | -311000000.0 | -767000000.0 | -71000000.0 |
| Change In Payable | 767000000.0 | 1314000000.0 | -143000000.0 | | | |
| Change In Payables And Accrued Expense | | 1318000000.0 | -191000000.0 | -37000000.0 | 45000000.0 | 260000000.0 |
| Change In Receivables | | -1222000000.0 | -37000000.0 | -644000000.0 | -661000000.0 | -1691000000.0 |
| Change In Tax Payable | 327000000.0 | -4000000.0 | 48000000.0 | | | |
| Change In Working Capital | | -2260000000.0 | -852000000.0 | -1048000000.0 | -1434000000.0 | -1524000000.0 |
| Changes In Account Receivables | | -1222000000.0 | -37000000.0 | -644000000.0 | -661000000.0 | -1691000000.0 |
| Changes In Cash | | -529000000.0 | 11000000.0 | -162000000.0 | -284000000.0 | 262000000.0 |
| Common Stock Dividend Paid | | -1334000000.0 | -1433000000.0 | -1524000000.0 | -1571000000.0 | -1617000000.0 |
| Common Stock Issuance | | 563000000.0 | 140000000.0 | 148000000.0 | 321000000.0 | 691000000.0 |
| Deferred Income Tax | | 255000000.0 | 319000000.0 | 128000000.0 | 221000000.0 | 391000000.0 |
| Deferred Tax | | 255000000.0 | 319000000.0 | 128000000.0 | 221000000.0 | 391000000.0 |
| Depreciation | | 2756000000.0 | 2778000000.0 | 2910000000.0 | 2980000000.0 | 3043000000.0 |
| Depreciation Amortization Depletion | | 2768000000.0 | 2786000000.0 | 2918000000.0 | 2987000000.0 | 3046000000.0 |
| Depreciation And Amortization | | 2768000000.0 | 2786000000.0 | 2918000000.0 | 2987000000.0 | 3046000000.0 |
| Earnings Losses From Equity Investments | 160000000.0 | | | | | |
| End Cash Position | | 1090000000.0 | 1101000000.0 | 939000000.0 | 1251000000.0 | 1201000000.0 |
| Financing Cash Flow | | 1591000000.0 | 2683000000.0 | 1311000000.0 | 1427000000.0 | 2533000000.0 |
| Free Cash Flow | | -2277000000.0 | -2705000000.0 | -1528000000.0 | -1764000000.0 | -2275000000.0 |
| Gain Loss On Investment Securities | -1154000000.0 | 152000000.0 | 22000000.0 | | | |
| Investing Cash Flow | | -6990000000.0 | -7375000000.0 | -7042000000.0 | -7537000000.0 | -8525000000.0 |
| Issuance Of Capital Stock | | 563000000.0 | 140000000.0 | 148000000.0 | 321000000.0 | 691000000.0 |
| Issuance Of Debt | | 8595000000.0 | 6225000000.0 | 5124000000.0 | 4549000000.0 | 6075000000.0 |
| Long Term Debt Issuance | | 6309000000.0 | 5825000000.0 | 4974000000.0 | 4549000000.0 | 6075000000.0 |
| Long Term Debt Payments | | -2073000000.0 | -1713000000.0 | -1557000000.0 | -1461000000.0 | -1311000000.0 |
| Net Business Purchase And Sale | 0.0 | | | | | |
| Net Common Stock Issuance | | 563000000.0 | 140000000.0 | 148000000.0 | 321000000.0 | 691000000.0 |
| Net Income From Continuing Operations | | 2171000000.0 | 2328000000.0 | 2460000000.0 | 2654000000.0 | 2768000000.0 |
| Net Investment Purchase And Sale | -141000000.0 | -28000000.0 | 0.0 | 0.0 | | |
| Net Issuance Payments Of Debt | | 5022000000.0 | 4049000000.0 | 2753000000.0 | 2743000000.0 | 3517000000.0 |
| Net Long Term Debt Issuance | | 4236000000.0 | 4112000000.0 | 3417000000.0 | 3088000000.0 | 4764000000.0 |
| Net Other Financing Charges | | -2696000000.0 | -114000000.0 | -109000000.0 | -98000000.0 | -94000000.0 |
| Net Other Investing Changes | | 185000000.0 | 33000000.0 | 55000000.0 | 53000000.0 | 4000000.0 |
| Net Short Term Debt Issuance | | 786000000.0 | -63000000.0 | -664000000.0 | -345000000.0 | -1247000000.0 |
| Operating Cash Flow | | 4870000000.0 | 4703000000.0 | 5569000000.0 | 5826000000.0 | 6254000000.0 |
| Operating Gains Losses | | 144000000.0 | 12000000.0 | -12000000.0 | 0.0 | -3000000.0 |
| Other Non Cash Items | | 1728000000.0 | 110000000.0 | 1123000000.0 | 1398000000.0 | 1576000000.0 |
| Proceeds From Stock Option Exercised | | 36000000.0 | 41000000.0 | 43000000.0 | 32000000.0 | 36000000.0 |
| Purchase Of Business | 0.0 | | | | | |
| Purchase Of Investment | -6673000000.0 | -516000000.0 | 0.0 | 0.0 | | |
| Repayment Of Debt | | -3573000000.0 | -2176000000.0 | -2371000000.0 | -1806000000.0 | -2558000000.0 |
| Sale Of Investment | 6532000000.0 | 488000000.0 | 0.0 | 0.0 | | |
| Short Term Debt Issuance | | 2286000000.0 | 400000000.0 | 150000000.0 | 0.0 | 0.0 |
| Short Term Debt Payments | | -1500000000.0 | -463000000.0 | -814000000.0 | -345000000.0 | -1247000000.0 |
| Unrealized Gain Loss On Investment Securities | 160000000.0 | 16000000.0 | 0.0 | 0.0 | | |