FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 2 (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Exchange Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	$ 291	$ 119
Derivative Fair Value Of Derivative Liability	21	4
Fair Value, Inputs, Level 2 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	38	20
Derivative Fair Value Of Derivative Liability	13	65
Fair Value, Inputs, Level 2 [Member] | Currency Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	51	32
Fair Value Inputs Level 1 And Level 2 [Member] | Available for sale investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale investments	$ 1,523	$ 1,784