FINANCIAL INSTRUMENTS (Accounting for Derivative Instruments and Hedging Activities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Financial Instruments [Line Items]
AOCI, Net gain (loss) in net investment in foreign operations	$ (76)	$ 1
Interest Rate Contract [Member]
Financial Instruments [Line Items]
AOCI, Net gain (loss) in cash flow hedging instruments	(3)	(4)
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	(2)
Foreign Currency Contract [Member]
Financial Instruments [Line Items]
AOCI, Net gain (loss) in cash flow hedging instruments	(19)	22
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	(19)
Commodity Contract [Member]
Financial Instruments [Line Items]
AOCI, Net gain (loss) in cash flow hedging instruments	(73)	(99)
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months	(17)
Foreign Currency Denominated Debt [Member]
Financial Instruments [Line Items]
Nonderivative Instruments Notional	177	172
Fair Value Hedging [Member] | Interest Rate Swap [Member]
Financial Instruments [Line Items]
Derivative, Gain (Loss) on Derivative, Net	2
Equity Securities [Member]
Financial Instruments [Line Items]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	$ 0	$ 0