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Long Term Debt and Other Borrowings - Revolving Credit Facility Narrative (Details) - Revolving credit facility - USD ($)
Jun. 17, 2021
Jun. 27, 2021
Jun. 16, 2021
Line of Credit Facility [Line Items]      
Increase in revolving credit facility $ 250,000,000    
Revolving unsecured credit facility 1,500,000,000   $ 1,250,000,000
Additional increase in the facility, available expansion 600,000,000.0    
Revolving unsecured credit facility, available expansion $ 2,100,000,000    
Borrowings outstanding   $ 0  
Federal Funds rate      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 0.50%    
One-month LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 1.00%    
Minimum | One-month LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 0.00%    
Minimum | LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 0.805%    
Maximum | One-month LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 0.30%    
Maximum | LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate (percent) 1.30%