FINANCIAL INSTRUMENTS (Schedule of Fair Values of Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 85	$ 99
Derivative liability, fair value	98	81
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	30	14
Derivative liability, fair value	31	19
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	55	85
Derivative liability, fair value	67	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	1	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	45	66
Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	0	0
Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	29	5
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	0	0
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	10	19
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	5	0
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	13	8
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	13	11
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	2	0
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	59	53
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 6	$ 9