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Income Taxes (Details 4) $ in Millions, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CAD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Less: Net earnings attributable to noncontrolling interests |  |  |  |  | $ 343.0 | $ 259.0 | $ 313.0
Liability (refund) adjustment from settlement with taxing authority | $ (39.0) |  |  |  |  | (39.0) |
State income taxes, net of federal |  |  |  |  | 35.0 | 10.0 | 53.0
Income taxes paid |  |  |  | $ 224.0 |  |  |
Income tax expense (benefit) |  |  |  |  | (441.0) | (285.0) | (410.0)
Undistributed earnings | 14.0 |  |  |  | 21.0 | 14.0 |
State tax credits | 11.0 |  |  |  | 14.0 | 11.0 |
Increase (decrease) in capital loss carryforwards |  |  |  |  | (5.0) |  |
Increase (decrease) in foreign tax credit carryforwards |  |  |  |  | 4.0 |  |
Unrecognized tax benefits increase in period |  |  |  |  | 58.0 | 8.0 |
Additions for tax positions taken during prior years |  |  |  |  | 53.0 | 7.0 |
Payments for other taxes |  | $ 267.0 | $ 363 |  |  |  |
Unrecognized tax benefits | 230.0 |  |  |  | 288.0 | 230.0 | 222.0
Increase in unrecognized tax benefits |  |  |  |  | 1.0 |  |
Additions for tax positions taken during the current year |  |  |  |  | 8.0 | 1.0 |
Reductions related to settlements with tax jurisdictions |  |  |  |  | 3.0 | 0.0 |
Interest expense and penalties related to potential income taxes |  |  |  |  | 7.0 | 8.0 | (4.0)
Deferred Tax Assets, Valuation Allowance | 107.0 |  |  |  | 118.0 | 107.0 |
Income Tax Examination, Interest Refund |  |  |  |  |  | 36.0 |
Income Tax Examination, Refund Adjustment from Settlement with Taxing Authority, Interest |  |  |  |  |  | 3.0 |
Aggregate amount of tax assessment | 55.0 |  |  |  | 69.0 | 55.0 |
Interest expense and penalties |  |  |  |  |  |  |
Interest expense and penalties related to potential income taxes |  |  |  |  | 7.0 | 8.0 | (4.0)
Accrued interest expense and penalties |  |  |  |  |  |  |
Amount recognized in consolidated balance sheets for accrued interest and penalties related to income taxes | 55.0 |  |  |  | 69.0 | 55.0 |
Other Noncurrent Liabilities |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Aggregate amount of tax assessment |  |  |  |  | 58.0 |  |
Accrued interest expense and penalties |  |  |  |  |  |  |
Amount recognized in consolidated balance sheets for accrued interest and penalties related to income taxes |  |  |  |  | 58.0 |  |
Other Assets |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Aggregate amount of tax assessment |  |  |  |  | 11.0 |  |
Accrued interest expense and penalties |  |  |  |  |  |  |
Amount recognized in consolidated balance sheets for accrued interest and penalties related to income taxes |  |  |  |  | 11.0 |  |
State Tax Authority |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | 53.0 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  |  |  |  | 14.0 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration |  |  |  |  | 39.0 |  |
Foreign Tax Jurisdiction |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | 55.0 |  |
Increase (decrease) in amount of valuation allowance |  |  |  |  |  |  | 11.0
Deferred Tax Assets, Valuation Allowance |  |  |  |  |  |  | 55.0
Foreign Tax Jurisdiction | Canada Revenue Agency |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Additions for tax positions taken during prior years |  |  |  |  |  |  | 74.0
Income Tax Examination, Interest Refund | 21.0 |  |  |  |  |  |
Income Tax Examination, Refund Adjustment from Settlement with Taxing Authority, Interest | 2.0 |  |  |  |  |  |
Foreign Tax Jurisdiction | Alberta Tax and Revenue Administration |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Liability (refund) adjustment from settlement with taxing authority | $ (16.0) |  |  |  |  | (16.0) |
Income Tax Examination, Interest Refund |  |  |  |  |  | 15.0 |
Income Tax Examination, Refund Adjustment from Settlement with Taxing Authority, Interest |  |  |  |  |  | $ 1.0 |
Foreign Tax Jurisdiction | United Kingdom |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Increase (decrease) in amount of valuation allowance |  |  |  |  | (11.0) |  | (7.0)
Foreign Tax Jurisdiction | Canada | Capital Loss Carryforward |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Increase (decrease) in amount of valuation allowance |  |  |  |  | $ (83.0) |  |
State and Local Jurisdiction and Foreign Tax Authority |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Decrease resulting from prior period tax positions |  |  |  |  |  |  | $ 33.0

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