| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Beginning Cash Position | | 166000000.0 | 111000000.0 | 129000000.0 | 1598000000.0 | 179000000.0 |
| Capital Expenditure | | -4638000000.0 | -5854000000.0 | -7364000000.0 | -8411000000.0 | -10908000000.0 |
| Capital Expenditure Reported | | -4638000000.0 | -5854000000.0 | -7364000000.0 | -8411000000.0 | -10908000000.0 |
| Cash Dividends Paid | | -1012000000.0 | -1092000000.0 | -1175000000.0 | -1225000000.0 | -1282000000.0 |
| Cash Flow From Continuing Financing Activities | | 666000000.0 | 617000000.0 | 2837000000.0 | 3801000000.0 | 6981000000.0 |
| Cash Flow From Continuing Investing Activities | | -4653000000.0 | -5926000000.0 | -7428000000.0 | -8455000000.0 | -10969000000.0 |
| Cash Flow From Continuing Operating Activities | | 3932000000.0 | 5327000000.0 | 4641000000.0 | 4510000000.0 | 4083000000.0 |
| Change In Account Payable | | 195000000.0 | -149000000.0 | 37000000.0 | -121000000.0 | -50000000.0 |
| Change In Inventory | | -203000000.0 | -98000000.0 | -140000000.0 | -235000000.0 | -300000000.0 |
| Change In Other Current Assets | | -58000000.0 | 86000000.0 | -139000000.0 | 3000000.0 | -122000000.0 |
| Change In Other Current Liabilities | | 102000000.0 | 200000000.0 | -317000000.0 | -168000000.0 | -174000000.0 |
| Change In Other Working Capital | | 521000000.0 | 928000000.0 | 347000000.0 | 130000000.0 | -289000000.0 |
| Change In Payable | | 195000000.0 | -149000000.0 | 37000000.0 | -121000000.0 | -50000000.0 |
| Change In Payables And Accrued Expense | | 195000000.0 | -149000000.0 | 37000000.0 | -121000000.0 | -50000000.0 |
| Change In Receivables | | -672000000.0 | 225000000.0 | 40000000.0 | -19000000.0 | -177000000.0 |
| Change In Working Capital | | -115000000.0 | 1192000000.0 | -172000000.0 | -410000000.0 | -1112000000.0 |
| Changes In Account Receivables | | -429000000.0 | -27000000.0 | 19000000.0 | -44000000.0 | -129000000.0 |
| Changes In Cash | | -55000000.0 | 18000000.0 | 50000000.0 | -144000000.0 | 95000000.0 |
| Common Stock Dividend Paid | | -1012000000.0 | -1092000000.0 | -1175000000.0 | -1225000000.0 | -1282000000.0 |
| Common Stock Issuance | | 322000000.0 | 270000000.0 | 1117000000.0 | 2159000000.0 | 3349000000.0 |
| Deferred Income Tax | | -140000000.0 | -59000000.0 | 225000000.0 | 222000000.0 | 414000000.0 |
| Deferred Tax | | -140000000.0 | -59000000.0 | 225000000.0 | 222000000.0 | 414000000.0 |
| Depreciation | | 2554000000.0 | 2567000000.0 | 2875000000.0 | 2968000000.0 | 3082000000.0 |
| Depreciation Amortization Depletion | | 2554000000.0 | 2567000000.0 | 2875000000.0 | 2968000000.0 | 3082000000.0 |
| Depreciation And Amortization | | 2554000000.0 | 2567000000.0 | 2875000000.0 | 2968000000.0 | 3082000000.0 |
| Dividend Received CFO | | 37000000.0 | 35000000.0 | 34000000.0 | 32000000.0 | 32000000.0 |
| Earnings Losses From Equity Investments | | -36000000.0 | -35000000.0 | -19000000.0 | 6000000.0 | -17000000.0 |
| End Cash Position | | 111000000.0 | 129000000.0 | 179000000.0 | 1454000000.0 | 274000000.0 |
| Financing Cash Flow | | 666000000.0 | 617000000.0 | 2837000000.0 | 3801000000.0 | 6981000000.0 |
| Free Cash Flow | | -706000000.0 | -527000000.0 | -2723000000.0 | -3901000000.0 | -6825000000.0 |
| Gain Loss On Investment Securities | -57000000.0 | | | | | |
| Income Tax Paid Supplemental Data | | 15000000.0 | 12000000.0 | 45000000.0 | | 30000000.0 |
| Interest Paid Supplemental Data | | 887000000.0 | 945000000.0 | 1131000000.0 | 1197000000.0 | 1262000000.0 |
| Investing Cash Flow | | -4653000000.0 | -5926000000.0 | -7428000000.0 | -8455000000.0 | -10969000000.0 |
| Issuance Of Capital Stock | | 322000000.0 | 270000000.0 | 1117000000.0 | 2159000000.0 | 3349000000.0 |
| Issuance Of Debt | | 2164000000.0 | 2630000000.0 | 3647000000.0 | 3896000000.0 | 5763000000.0 |
| Long Term Debt Issuance | | 2164000000.0 | 2630000000.0 | 3647000000.0 | 3896000000.0 | 5763000000.0 |
| Long Term Debt Payments | | -601000000.0 | -1151000000.0 | -656000000.0 | -1038000000.0 | -1713000000.0 |
| Net Business Purchase And Sale | 0.0 | 0.0 | | | | |
| Net Common Stock Issuance | | 322000000.0 | 270000000.0 | 1117000000.0 | 2159000000.0 | 3349000000.0 |
| Net Income From Continuing Operations | | 1736000000.0 | 1771000000.0 | 1936000000.0 | 2073000000.0 | 2018000000.0 |
| Net Investment Purchase And Sale | | -35000000.0 | -35000000.0 | -37000000.0 | -19000000.0 | -3000000.0 |
| Net Issuance Payments Of Debt | | 1371000000.0 | 1451000000.0 | 2901000000.0 | 2876000000.0 | 4905000000.0 |
| Net Long Term Debt Issuance | | 1563000000.0 | 1479000000.0 | 2991000000.0 | 2858000000.0 | 4050000000.0 |
| Net Other Financing Charges | | -15000000.0 | -12000000.0 | -6000000.0 | -9000000.0 | 9000000.0 |
| Net Other Investing Changes | | 20000000.0 | -37000000.0 | -27000000.0 | -25000000.0 | -58000000.0 |
| Net Short Term Debt Issuance | | -192000000.0 | -28000000.0 | -90000000.0 | 18000000.0 | 855000000.0 |
| Operating Cash Flow | | 3932000000.0 | 5327000000.0 | 4641000000.0 | 4510000000.0 | 4083000000.0 |
| Operating Gains Losses | | -36000000.0 | -35000000.0 | -19000000.0 | 6000000.0 | -17000000.0 |
| Other Non Cash Items | | -197000000.0 | -248000000.0 | -318000000.0 | -468000000.0 | -441000000.0 |
| Provisionand Write Offof Assets | | 73000000.0 | 79000000.0 | 47000000.0 | 50000000.0 | 61000000.0 |
| Purchase Of Investment | | -1332000000.0 | -994000000.0 | -998000000.0 | -1100000000.0 | -1200000000.0 |
| Repayment Of Debt | | -793000000.0 | -1151000000.0 | -656000000.0 | -1128000000.0 | -1713000000.0 |
| Sale Of Business | 0.0 | 0.0 | | | | |
| Sale Of Investment | | 1297000000.0 | 959000000.0 | 961000000.0 | 1081000000.0 | 1197000000.0 |
| Short Term Debt Payments | | -192000000.0 | -28000000.0 | -90000000.0 | | |
| Stock Based Compensation | | 20000000.0 | 25000000.0 | 33000000.0 | 37000000.0 | 46000000.0 |