FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 3 (Details) - Long-term Debt [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying Amount of the Hedged Item	$ 2,579	$ 2,555
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Item	$ (21)	$ (45)