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Derivatives Instruments and Hedging Activities - Gain (Losses) Recognized in Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Hedging relationships      
Gains expected to be reclassified into earnings during the next twelve months, net of tax $ 45    
Gains expected to be reclassified into earnings during the next twelve months, income tax effect $ 16    
Fair Value Hedging | Interest Rate Contract [Member] | Financing Costs [Member]      
Hedging relationships      
Gains (losses) recognized in income, Hedging instruments   $ (1) $ 2
Gains (losses) recognized in income, Hedged item   $ 1 $ (2)