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Derivative Financial Instruments - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Derivative [Line Items]      
Derivative, Notional Amount $ 2,900 $ 2,200  
Gain (Loss) on Discontinuance of Cash Flow Hedges $ 0 $ 0 $ 0
Maximum      
Derivative [Line Items]      
Maturity on derivative instruments 18 months    
Estimate of time to transfer 12 months