FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 3 (Details) - Long-term Debt [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying Amount of the Hedged Item	$ 2,618	$ 2,555
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Item	$ 18	$ (45)