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Debt and Credit Agreements - Narrative (Details) - USD ($)
1 Months Ended
Oct. 31, 2022
Sep. 30, 2022
Aug. 31, 2022
Dec. 31, 2021
Revolving credit facility        
Debt Instrument [Line Items]        
Remaining borrowing capacity   $ 1,500,000,000    
4.375% senior notes due June 1, 2024        
Debt Instrument [Line Items]        
Repurchased principal amount   706,000,000    
Payment for repurchase of debt   706,000,000    
Long-term debt   $ 44,000,000   $ 750,000,000
4.375% senior notes due June 1, 2024 | Subsequent Event        
Debt Instrument [Line Items]        
Repurchased principal amount $ 44,000,000      
Payment for repurchase of debt $ 44,000,000      
6.51% weighted-average private placement senior notes        
Debt Instrument [Line Items]        
Repurchased principal amount     $ 37,000,000  
Weighted average interest rate   6.51% 6.51%  
Payment for repurchase of debt     $ 38,000,000  
Long-term debt   $ 0   37,000,000
5.58% weighted-average senior notes        
Debt Instrument [Line Items]        
Repurchased principal amount     $ 87,000,000  
Weighted average interest rate   5.58% 5.58%  
Payment for repurchase of debt     $ 92,000,000  
Long-term debt   $ 0   $ 87,000,000
Revolving credit facility        
Debt Instrument [Line Items]        
Long-term debt   $ 0