XML 80 R62.htm IDEA: XBRL DOCUMENT v3.20.4
Financial Instruments, Derivatives and Hedging Activities - Gain (Losses) Recognized in Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Hedging relationships      
Gains expected to be reclassified into earnings during the next twelve months, net of tax $ 44    
Gains expected to be reclassified into earnings during the next twelve months, income tax effect 15    
Fair Value Hedging | Interest Rate Contracts | Financing costs, net      
Hedging relationships      
Gains (losses) recognized in income, Hedging instruments (1) $ 2 $ (2)
Gains (losses) recognized in income, Hedged item $ 1 $ (2) $ 2