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Debt and Credit Agreements - Narrative (Details) - USD ($)
12 Months Ended
Dec. 01, 2020
Dec. 31, 2021
Dec. 31, 2020
Jul. 01, 2021
Mar. 31, 2021
Jul. 09, 2020
Apr. 29, 2020
Mar. 30, 2020
Debt Instrument [Line Items]                
Debt issued   $ 0            
Quality Carriers, Inc.                
Debt Instrument [Line Items]                
Finance lease obligations and debt assumed       $ 68,000,000        
Interest Rate Swap | Cash Flow Hedging | Designated as Hedging Instrument                
Debt Instrument [Line Items]                
Derivative notional value   91,000,000 $ 80,000,000     $ 500,000,000 $ 250,000,000  
Unrealized gains, recorded net of tax, in other comprehensive income related to hedge   8,000,000 $ 62,000,000          
Commercial Paper                
Debt Instrument [Line Items]                
Line of credit facility capacity   1,000,000,000            
Line of credit amount outstanding   0            
2.50% Notes Due 2051                
Debt Instrument [Line Items]                
Debt issued $ 500,000,000              
Interest rate 2.50%              
3.70% Notes Due November 1, 2023                
Debt Instrument [Line Items]                
Interest rate 3.70%              
Outstanding debt redeemed $ 500,000,000              
3.8% Notes Due 2050                
Debt Instrument [Line Items]                
Debt issued               $ 500,000,000
Interest rate               3.80%
3.25% Notes Due 2027                
Debt Instrument [Line Items]                
Debt issued   $ 850,000,000            
Interest rate   3.25%            
Unsecured Revolving Credit Facility Expiring March 2024 | Revolving Credit Facility                
Debt Instrument [Line Items]                
Line of credit facility capacity         $ 1,200,000,000      
Line of credit facility, amount outstanding   $ 0