FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES (Details) - Fair Value Measurements Recurring [Member] - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale investments	$ 1,879	$ 1,784
Foreign currency exchange contracts [Member] \| Significant Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	189	119
Derivative Fair Value Of Derivative Liability	5	4
Interest rate swap agreements [Member] \| Significant Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	36	20
Derivative Fair Value Of Derivative Liability	18	65
Cross currency swap agreements [Member] \| Significant Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value Of Derivative Asset	$ 37	$ 32

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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