XML 95 R78.htm IDEA: XBRL DOCUMENT v3.20.4
Financial Instruments - Schedule of Derivative Instruments Not Designated as Hedging Instruments Table (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]      
Amount of Pre-Tax Gain (Loss) Recognized in Earnings $ (165) $ 318 $ (115)
Debt-Related      
Derivative [Line Items]      
Amount of Pre-Tax Gain (Loss) Recognized in Earnings (125) 253 (118)
Other Balance Sheet Items      
Derivative [Line Items]      
Amount of Pre-Tax Gain (Loss) Recognized in Earnings $ (40) $ 65 $ 3