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