XML 90 R72.htm IDEA: XBRL DOCUMENT v3.22.0.1
Long-Term Debt and Commercial Paper (Other Long-Term Debt and Commercial Paper) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Commercial paper, maximum aggregate amount outstanding permitted $ 1,000.0  
Commercial paper, amount outstanding 340.0 $ 0.0
Other Debt [Member]    
Debt Instrument [Line Items]    
Finance Leases Included In Long-term Debt $ 330.6 $ 116.6
Commercial Paper [Member]    
Debt Instrument [Line Items]    
Weighted-average annual interest rate 0.47%  
Weighted Average [Member] | Commercial Paper [Member]    
Debt Instrument [Line Items]    
Maturity period of debt 10 days  
Maximum [Member] | Commercial Paper [Member]    
Debt Instrument [Line Items]    
Maturity period of debt 397 days