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Derivative Financial Instruments - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Derivative [Line Items]      
Gain (Loss) on Discontinuation of Cash Flow Hedges $ 0 $ 0  
Derivative, Notional Amount $ 3,000   $ 2,900
Maximum      
Derivative [Line Items]      
Maturity on derivative instruments 18 months    
Estimate of time to transfer 12 months