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Line of Credit Payable (Details) - USD ($)
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
May 31, 2021
Line of Credit Facility [Line Items]      
Revolving credit facility borrowing capacity $ 1,060,000,000,000 $ 1,100,000,000,000 $ 900,000,000,000
Revolving credit facility weighted average outstanding balance $ 9,028,000,000    
Weighted average interest rate 2.04%    
Option to increase facility size $ 2,000,000,000,000    
LIBOR      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 77.50%    
Line of Credit      
Line of Credit Facility [Line Items]      
Revolving credit facility borrowing capacity $ 1,100,000,000    
Line of credit payable $ 40,000,000,000