FINANCIAL INSTRUMENTS (Schedule of Fair Values of Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 74	$ 99
Derivative liability, fair value	83	81
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	7	14
Derivative liability, fair value	41	19
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	67	85
Derivative liability, fair value	42	62
Accounts and Notes Receivable - Other [Member] | Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	0	9
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	52	66
Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	7	5
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	15	19
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	2	8
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	39	11
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	35	53
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 7	$ 9