FINANCIAL INSTRUMENTS (Schedule of Fair Values of Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 72	$ 87
Derivative liability, fair value	62	74
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	25	32
Derivative liability, fair value	25	40
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	47	55
Derivative liability, fair value	37	34
Accounts and Notes Receivable - Other [Member] | Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	4	3
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	46	52
Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1	1
Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	20	28
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1	3
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	4	5
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	17	21
Accounts Payable - Other [Member] | Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	4	14
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	0	1
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	2	6
Accounts Payable - Other [Member] | Not Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 35	$ 27