| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Beginning Cash Position | | 136000000.0 | 117000000.0 | 364000000.0 | 98000000.0 | 140000000.0 |
| Capital Expenditure | | -2420000000.0 | -2734000000.0 | -3008000000.0 | -3008000000.0 | -3301000000.0 |
| Capital Expenditure Reported | | -2297000000.0 | -2575000000.0 | -2856000000.0 | -2858000000.0 | -3126000000.0 |
| Cash Dividends Paid | | -467000000.0 | -532000000.0 | -585000000.0 | -609000000.0 | -633000000.0 |
| Cash Flow From Continuing Financing Activities | | 1000000000.0 | 1188000000.0 | 1110000000.0 | 1335000000.0 | 1249000000.0 |
| Cash Flow From Continuing Investing Activities | | -2127000000.0 | -2815000000.0 | -3379000000.0 | -3248000000.0 | -3309000000.0 |
| Cash Flow From Continuing Operating Activities | | 1108000000.0 | 1874000000.0 | 2045000000.0 | 1950000000.0 | 2059000000.0 |
| Change In Account Payable | | -8000000.0 | 70000000.0 | 111000000.0 | 131000000.0 | 97000000.0 |
| Change In Income Tax Payable | | -118000000.0 | 21000000.0 | 92000000.0 | 5000000.0 | -30000000.0 |
| Change In Other Working Capital | | -5000000.0 | 13000000.0 | -117000000.0 | -129000000.0 | 11000000.0 |
| Change In Payable | | -126000000.0 | 91000000.0 | 203000000.0 | 136000000.0 | 67000000.0 |
| Change In Payables And Accrued Expense | | -126000000.0 | 91000000.0 | 203000000.0 | 136000000.0 | 67000000.0 |
| Change In Receivables | | -224000000.0 | -28000000.0 | -46000000.0 | -165000000.0 | -129000000.0 |
| Change In Tax Payable | | -118000000.0 | 21000000.0 | 92000000.0 | 5000000.0 | -30000000.0 |
| Change In Working Capital | | -355000000.0 | 76000000.0 | 40000000.0 | -158000000.0 | -51000000.0 |
| Changes In Account Receivables | | -114000000.0 | -56000000.0 | -107000000.0 | -157000000.0 | -145000000.0 |
| Changes In Cash | | -19000000.0 | 247000000.0 | -224000000.0 | 37000000.0 | -1000000.0 |
| Common Stock Issuance | | 0.0 | 1688000000.0 | 0.0 | | 0.0 |
| Common Stock Payments | 0.0 | | | | | |
| Deferred Income Tax | | 80000000.0 | 208000000.0 | 156000000.0 | 170000000.0 | 135000000.0 |
| Deferred Tax | | 80000000.0 | 208000000.0 | 156000000.0 | 170000000.0 | 135000000.0 |
| Depreciation Amortization Depletion | | 649000000.0 | 704000000.0 | 788000000.0 | 844000000.0 | 894000000.0 |
| Depreciation And Amortization | | 649000000.0 | 704000000.0 | 788000000.0 | 844000000.0 | 894000000.0 |
| End Cash Position | | 117000000.0 | 364000000.0 | 140000000.0 | 135000000.0 | 139000000.0 |
| Financing Cash Flow | | 1000000000.0 | 1188000000.0 | 1110000000.0 | 1335000000.0 | 1249000000.0 |
| Free Cash Flow | | -1312000000.0 | -860000000.0 | -963000000.0 | -1058000000.0 | -1242000000.0 |
| Gain Loss On Sale Of Business | -747000000.0 | -19000000.0 | 0.0 | 0.0 | | |
| Income Tax Paid Supplemental Data | 1000000.0 | 335000000.0 | 0.0 | | | 190000000.0 |
| Interest Paid Supplemental Data | | 414000000.0 | 445000000.0 | 483000000.0 | | 568000000.0 |
| Investing Cash Flow | | -2127000000.0 | -2815000000.0 | -3379000000.0 | -3248000000.0 | -3309000000.0 |
| Issuance Of Capital Stock | | 0.0 | 1688000000.0 | 0.0 | | 0.0 |
| Issuance Of Debt | | 822000000.0 | 1264000000.0 | 1437000000.0 | 910000000.0 | 1781000000.0 |
| Long Term Debt Issuance | | 822000000.0 | 1264000000.0 | 1437000000.0 | 910000000.0 | 1781000000.0 |
| Long Term Debt Payments | | -15000000.0 | -282000000.0 | -475000000.0 | -615000000.0 | -664000000.0 |
| Net Business Purchase And Sale | | -315000000.0 | -81000000.0 | -417000000.0 | -311000000.0 | -71000000.0 |
| Net Common Stock Issuance | | 0.0 | 1688000000.0 | 0.0 | | 0.0 |
| Net Income From Continuing Operations | | 820000000.0 | 944000000.0 | 1051000000.0 | 1083000000.0 | 1111000000.0 |
| Net Investment Purchase And Sale | | 0.0 | 0.0 | 46000000.0 | 71000000.0 | 63000000.0 |
| Net Issuance Payments Of Debt | | 1398000000.0 | -14000000.0 | 1662000000.0 | 1884000000.0 | 1826000000.0 |
| Net Long Term Debt Issuance | | 807000000.0 | 982000000.0 | 962000000.0 | 295000000.0 | 1117000000.0 |
| Net Other Financing Charges | | 69000000.0 | 46000000.0 | 33000000.0 | 60000000.0 | 56000000.0 |
| Net Other Investing Changes | 472000000.0 | 608000000.0 | | | | |
| Net PPEPurchase And Sale | | -123000000.0 | -159000000.0 | -152000000.0 | -150000000.0 | -175000000.0 |
| Net Short Term Debt Issuance | | 591000000.0 | -996000000.0 | 700000000.0 | 1589000000.0 | 709000000.0 |
| Operating Cash Flow | | 1108000000.0 | 1874000000.0 | 2045000000.0 | 1950000000.0 | 2059000000.0 |
| Operating Gains Losses | | -66000000.0 | -6000000.0 | -3000000.0 | -4000000.0 | 1000000.0 |
| Other Non Cash Items | | -44000000.0 | -76000000.0 | -18000000.0 | -27000000.0 | -79000000.0 |
| Pension And Employee Benefit Expense | | -47000000.0 | -6000000.0 | -3000000.0 | -4000000.0 | 1000000.0 |
| Proceeds From Stock Option Exercised | -1000000.0 | | | | | |
| Provisionand Write Offof Assets | | 24000000.0 | 24000000.0 | 31000000.0 | 42000000.0 | 48000000.0 |
| Purchase Of Business | | -315000000.0 | -81000000.0 | -417000000.0 | -311000000.0 | -71000000.0 |
| Purchase Of Investment | | 0.0 | 0.0 | -135000000.0 | -170000000.0 | -46000000.0 |
| Purchase Of PPE | | -123000000.0 | -159000000.0 | -152000000.0 | -150000000.0 | -175000000.0 |
| Repayment Of Debt | | -15000000.0 | -282000000.0 | -475000000.0 | -615000000.0 | -664000000.0 |
| Repurchase Of Capital Stock | 0.0 | | | | | |
| Sale Of Investment | | 0.0 | 0.0 | 181000000.0 | 241000000.0 | 109000000.0 |
