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Derivative Financial Instruments - Additional Information (Details) - Interest rate swaps
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
derivative_agreement
Jun. 30, 2019
USD ($)
derivative_agreement
Feb. 28, 2019
USD ($)
derivative_agreement
Derivative [Line Items]        
Number of instruments | derivative_agreement   11    
Reclassification in next twelve months $ 82      
Designated as Hedging Instrument        
Derivative [Line Items]        
Number of instruments | derivative_agreement     6 5
Designated as Hedging Instrument | Cash Flow Hedging        
Derivative [Line Items]        
Notional amount     $ 1,500 $ 2,500
Fixed interest rate     1.58% 2.48%
Designated as Hedging Instrument | Cash Flow Hedging | One Counterparty        
Derivative [Line Items]        
Notional amount       $ 700
Designated as Hedging Instrument | Cash Flow Hedging | Four Counterparties        
Derivative [Line Items]        
Notional amount       $ 450
Designated as Hedging Instrument | Cash Flow Hedging | Six Counterparties        
Derivative [Line Items]        
Notional amount     $ 250