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v3.24.0.1

Income Taxes Deferred Tax (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Deferred Tax Liabilities, Gross [Abstract] |  |  |  |
Depreciation and amortization | $ 490.2 | $ 430.5 |  |
Depletion | 623.6 | 613.5 |  |
Partnership tax basis differences | 69.7 | 59.3 |  |
Undistributed earnings of non-U.S. subsidiaries | 29.3 | 0.0 |  |
Other liabilities | 97.0 | 37.6 |  |
Total deferred tax liabilities | 1,309.8 | 1,140.9 |  |
Deferred Tax Assets, Gross [Abstract] |  |  |  |
Capital loss carryforwards | 14.9 | 3.6 |  |
Foreign tax credit carryforwards | 1,266.2 | 736.7 |  |
Net operating loss carryforwards | 514.4 | 255.8 |  |
Pension plans and other benefits | 17.8 | 14.3 |  |
Asset retirement obligations | 452.1 | 369.4 |  |
Disallowed interest expense under 163(j) | 11.5 | 0.0 |  |
Other assets | 468.6 | 413.2 |  |
Subtotal | 2,745.5 | 1,793.0 |  |
Net of valuation allowance |  |  |  |
Valuation allowance | 1,421.9 | 909.9 | $ 774.7 | $ 683.0
Deferred Tax Assets, Net of Valuation Allowance | 1,323.6 | 883.1 |  |
Deferred Tax Liabilities, Net, Total |  | (257.8) |  |
Deferred Tax Liabilities and Assets [Line Items] |  |  |  |
Deferred Tax Liabilities, Net |  | 257.8 |  |
Deferred Tax Assets, Net | 13.8 |  |  |
Anticipatory Foreign Tax Credit Carryforward |  |  |  |
Net of valuation allowance |  |  |  |
Valuation allowance | 220.5 | 202.2 |  |
Deferred Tax Liabilities and Assets [Line Items] |  |  |  |
Deferred Tax Assets Foreign Tax Credits Netted Against Related Deferred Tax Liabilities | $ 220.5 | $ 202.2 |  |

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