FAIR VALUE MEASUREMENTS (Basis of Fair Value Measurements on a Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Quoted Prices in Active Markets for Identical Items (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of interests held	$ 0	[1]	$ 0	[1]
Foreign currency	0	[2]	0	[2]
Commodities	13	[2]	10	[2]
Assets, Fair Value Disclosure	692		644
Long-term Debt, Fair Value	0	[3]	0	[3]
Interest Rate Derivative Liabilities, at Fair Value	0	[2]
Foreign currency	0	[2]	0	[2]
Commodities	14	[2]	13	[2]
Liabilities, Fair Value Disclosure	14		13
Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	679	[4]	634	[4]
Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4],[5]	0	[4],[5]
Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4]	0	[4]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of interests held	0	[1]	0	[1]
Foreign currency	46	[2]	75	[2]
Commodities	26	[2]	14	[2]
Assets, Fair Value Disclosure	1,461		1,463
Long-term Debt, Fair Value	23,219	[3]	23,789	[3]
Interest Rate Derivative Liabilities, at Fair Value	7	[2]
Foreign currency	72	[2]	61	[2]
Commodities	5	[2]	7	[2]
Liabilities, Fair Value Disclosure	23,303		23,857
Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	36	[4]	33	[4]
Significant Other Observable Inputs (Level 2) [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	584	[4],[5]	618	[4],[5]
Significant Other Observable Inputs (Level 2) [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	769	[4]	723	[4]
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of interests held	1,343	[1]	1,141	[1]
Foreign currency	0	[2]	0	[2]
Commodities	0	[2]	0	[2]
Assets, Fair Value Disclosure	1,343		1,141
Long-term Debt, Fair Value	0	[3]	0	[3]
Interest Rate Derivative Liabilities, at Fair Value	0	[2]
Foreign currency	0	[2]	0	[2]
Commodities	0	[2]	0	[2]
Liabilities, Fair Value Disclosure	0		0
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4]	0	[4]
Significant Unobservable Inputs (Level 3) [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4],[5]	0	[4],[5]
Significant Unobservable Inputs (Level 3) [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4]	0	[4]
Netting and Collateral [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of interests held	0	[1],[6]	0	[1],[6]
Foreign currency	(23)	[2],[6]	(44)	[2],[6]
Commodities	(5)	[2],[6]	(8)	[2],[6]
Assets, Fair Value Disclosure	(28)	[6]	(52)	[6]
Long-term Debt, Fair Value	0	[3],[6]	0	[3],[6]
Interest Rate Derivative Liabilities, at Fair Value	0	[2],[6]
Foreign currency	(23)	[2],[6]	(44)	[2],[6]
Commodities	(17)	[2],[6]	(19)	[2],[6]
Liabilities, Fair Value Disclosure	(40)	[6]	(63)	[6]
Netting and Collateral [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4],[6]	0	[4],[6]
Netting and Collateral [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4],[5],[6]	0	[4],[5],[6]
Netting and Collateral [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	[4],[6]	0	[4],[6]
Total Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of interests held	1,343	[1]	1,141	[1]
Foreign currency	23	[2]	31	[2]
Commodities	34	[2]	16	[2]
Assets, Fair Value Disclosure	3,468		3,196
Long-term Debt, Fair Value	23,219	[3]	23,789	[3]
Interest Rate Derivative Liabilities, at Fair Value	7	[2]
Foreign currency	49	[2]	17	[2]
Commodities	2	[2]	1	[2]
Liabilities, Fair Value Disclosure	23,277		23,807
Total Fair Value [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	715	[4]	667	[4]
Total Fair Value [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	584	[4],[5]	618	[4],[5]
Total Fair Value [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	$ 769	[4]	$ 723	[4]

[1] Included in “Accounts and notes receivable – Other” in the consolidated balance sheets. See Note J for additional information on transfers of financial assets.

[2] See Note G for the classification of derivatives in the consolidated balance sheets.

[3] See Note G for information on fair value adjustments to long-term debt, included at cost in the consolidated balance sheets.

[4] The Company’s investments in equity and debt securities are primarily classified as available-for-sale and are included in “Other investments” in the consolidated balance sheets.

[5] U.S. Treasury obligations, U.S. agency obligations, agency mortgage-backed securities and other municipalities’ obligations.

[6] Cash collateral amounts represent the estimated net settlement amount when applying netting and set-off rights included in master netting arrangements between the Company and its counterparties and the payable or receivable for cash collateral held or placed with the same counterparty.