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Cash Flow Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability $ 27.2 $ 8.9 $ 36.4
Increase Decrease in Capital Expenditures Incurred But Not Yet Paid (65.2) 18.6 (29.8)
Accrued dividends 72.9 43.6  
Cash paid (received) during the period for:      
Interest 196.4 220.0 232.8
Less amount capitalized 26.8 30.1 33.3
Cash interest, net 169.6 189.9 199.5
Income taxes 1,114.5 208.6 6.2
Dividends payable   43.6 20.4
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 27.2 8.9 36.4
Depreciation 932.1 811.8 846.4
Amortization of Intangible Assets 1.8 $ 1.1 $ 1.2
Commercial Paper      
Proceeds from Short-Term Debt, Maturing in More than Three Months 1,800.0    
Repayments of Short-Term Debt, Maturing in More than Three Months $ (1,600.0)