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v3.25.0.1

Supplemental Cash Flow Information - Supplemental Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Supplemental cash flow information |  |  |
Cash paid for interest, net of amount capitalized | $ 785.7 | $ 653.4 | $ 485.2
Cash paid (received) for income taxes, net | (264.2) | (58.9) | 52.4
Cash received for sale of production tax credits to third parties | 269.1 | 75.0 |
Significant non-cash investing and financing transactions |  |  |
Accounts payable related to construction costs | 285.7 | 171.3 | 197.4
Common stock issued for stock-based compensation plans | 6.4 | 0.0 | 0.0
Increase in receivables related to property damage insurance proceeds | 2.3 | 3.5 | 0.0
Increase in receivables for corporate-owned life insurance proceeds | 5.8 | 1.4 | 0.0
Liabilities accrued for software licensing agreement | $ 0.2 | $ 0.0 | $ 7.4

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