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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax   $ (168) $ (41)
Foreign Currency Exchange Contracts [Member]      
Derivative [Line Items]      
Derivative, Notional Amount   12,746 14,995
Amount of hedged item   $ 3,513 $ 3,583
Foreign Currency Exchange Contracts [Member] | Forecast [Member]      
Derivative [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax $ 52    
Interest Rate Contract [Member]      
Derivative [Line Items]      
Fixed Rate Debt Percent changed to LIBOR   2.87% 2.93%
Amount of hedged item   $ 3,950 $ 2,600