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Debt (Revolving Credit Facility under the Senior Credit Agreement) (Narrative) (Details) - USD ($)
2 Months Ended 12 Months Ended
Feb. 28, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Line of Credit Facility [Line Items]          
Repayments of revolving credit facility   $ 605,000,000 $ 1,965,000,000 $ 1,005,000,000  
Revolving Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility, maximum borrowing capacity   1,500,000,000     $ 1,250,000,000
Borrowings on the revolving credit facility   975,000,000 1,935,000,000    
Repayments of revolving credit facility   605,000,000 1,965,000,000    
Line of credit facility, outstanding   $ 720,000,000 $ 350,000,000 $ 380,000,000  
Revolving Credit Facility [Member] | Subsequent Event [Member]          
Line of Credit Facility [Line Items]          
Borrowings on the revolving credit facility $ 15,000,000.0        
Repayments of revolving credit facility 165,000,000.0        
Line of credit facility, outstanding $ 570,000,000.0        
Minimum [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   1.125%      
Line of credit facility, commitment fee   0.15%      
Minimum [Member] | Revolving Credit Facility [Member] | Eurodollar [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   1.125%      
Minimum [Member] | Revolving Credit Facility [Member] | Base Rate [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   0.125%      
Maximum [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   1.50%      
Line of credit facility, commitment fee   0.25%      
Maximum [Member] | Revolving Credit Facility [Member] | Eurodollar [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   1.50%      
Maximum [Member] | Revolving Credit Facility [Member] | Base Rate [Member]          
Line of Credit Facility [Line Items]          
Basis spread on variable interest rate   0.50%