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Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Non-cash transactions:      
Capital expenditures included in current liabilities $ 367.0 $ 315.0 $ 275.1
Assets acquired under a finance lease   64.5 19.3
Assets acquired under an operating lease   5.6 8.8
Assets recorded for asset retirement obligations 277.4 61.1 6.3
Purchase Contract Liability 0.0 0.0 65.0
Schedule of interest and income taxes paid:      
Cash paid for interest on debt, net of interest capitalized amounts 468.2 433.9 343.8
Cash paid for interest on finance leases 13.5 8.6 8.5
Cash paid for income taxes, net of refunds 4.3 9.4 $ 7.2
Finance Lease, Interest Payment on Liability $ 11.2 $ 9.3