XML 59 R47.htm IDEA: XBRL DOCUMENT v3.22.2.2
Long-Term Debt And Commercial Paper (Narrative) (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Feb. 28, 2022
Debt Instrument [Line Items]      
Letters of credit, amount outstanding $ 39,800,000    
Commercial paper, maximum aggregate amount outstanding permitted 1,000,000,000    
Commercial paper, amount outstanding $ 0 $ 340,000,000.0  
Commercial Paper      
Debt Instrument [Line Items]      
Weighted-average annual interest rate   0.47%  
Maximum | Commercial Paper      
Debt Instrument [Line Items]      
Maturity period of debt 397 days    
Weighted Average | Commercial Paper      
Debt Instrument [Line Items]      
Maturity period of debt   10 days  
Revolving credit facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity under revolving credit facility $ 1,800,000,000    
Additional borrowing capacity under accordion feature of revolving credit facility 500,000,000    
Revolving credit facility, amount outstanding 0 $ 0  
Revolving credit facilities letter of credit sublimit 200,000,000    
Additional borrowing capacity under the revolving credit facility $ 1,800,000,000    
Revolving credit facility | Minimum      
Debt Instrument [Line Items]      
Commitment fee on undrawn amounts (percent) 0.125%    
Revolving credit facility | Maximum      
Debt Instrument [Line Items]      
Commitment fee on undrawn amounts (percent) 0.20%    
Other Debt      
Debt Instrument [Line Items]      
Finance leases and other debt obligations included in long-term debt $ 321,600,000 $ 330,600,000  
Senior Notes | 3.85% Senior Notes Due 2032      
Debt Instrument [Line Items]      
Face amount     $ 700,000,000
Percentage interest on debt instrument 3.85%   3.85%
Aggregate offering price percentage     99.835%
Maturity date Mar. 01, 2032    
Line of Credit | Revolving credit facility      
Debt Instrument [Line Items]      
Maturity date Mar. 26, 2025    
Line of Credit | Revolving credit facility | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Credit spread adjustment on SOFR borrowings under our revolving credit facility 0.10%    
Line of Credit | Revolving credit facility | Minimum | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Basis spread on variable interest rates (percent) 1.125%    
Line of Credit | Revolving credit facility | Minimum | Base Rate      
Debt Instrument [Line Items]      
Basis spread on variable interest rates (percent) 0.125%    
Line of Credit | Revolving credit facility | Maximum | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Basis spread on variable interest rates (percent) 1.50%    
Line of Credit | Revolving credit facility | Maximum | Base Rate      
Debt Instrument [Line Items]      
Basis spread on variable interest rates (percent) 0.50%