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FINANCIAL INSTRUMENTS (Schedule of Fair Values of Derivative Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 270	$ 168
Derivative liability, fair value	378	350
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	142	8
Derivative liability, fair value	288	267
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	128	160
Derivative liability, fair value	90	83
Other Current Assets [Member] \| Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	42	3
Other Current Assets [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	13	4
Deferred charges and other assets [Member] \| Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	10	0
Deferred charges and other assets [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	12	0
Accounts and Notes Receivable - Other [Member] \| Designated as Hedging Instrument [Member] \| Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	90	5
Accounts and Notes Receivable - Other [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	103	156
Accrued and Other Current Liabilities [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	3	3
Accrued and Other Current Liabilities [Member] \| Designated as Hedging Instrument [Member] \| Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	55	1
Accrued and Other Current Liabilities [Member] \| Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	32	28
Accrued and Other Current Liabilities [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	4	0
Accounts Payable - Other [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	84	83
Other Noncurrent Obligations [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	2	1
Other Noncurrent Obligations [Member] \| Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	196	234
Other Noncurrent Obligations [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	2	0
Other Expense [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (180)	$ (318)	$ (333)