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Variable Interest Entities - Activity of Alternative Energy Partnership Investments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |  |
Income Tax Expense (Benefit) Recognized from Alternative Energy Partnership | $ 76.0 | $ (74.8) | $ (84.4)
Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Cash distribution from Investment | 2.0 | 2.0 | 3.3
Income (Loss) on Investments in Alternative Energy Partnership | 2.3 | 2.9 | (19.9)
Income Tax Credits Recognized | 0.0 | 0.2 | 4.3
Income Tax Expense (Benefit) Recognized from Alternative Energy Partnership | $ 0.5 | $ 0.7 | $ (3.7)

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