PENSION AND POSTRETIREMENT BENEFIT PLANS (Fair Value Disclosures) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	$ 6,853	$ 6,147
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at January 1	566	598
Purchases	48	66
Sales	(25)	(39)
Settlements	(53)	(52)
Realized losses/(gains)	49	59
Unrealized gains/(losses)	(49)	(66)
Fair value at December 31	536	566
Percentage of U.S. pension plan equity investments that are actively managed	81.00%
The percentage of employer common stock in total plan assets	1.00%
Equity Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	1,965	1,799
Equity Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	2,196	1,679
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Target allocation percentage of assets	70.00%
Fixed Income Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	635	622
Venture Capital Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	381	408
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at January 1	408	415
Purchases	43	53
Sales	(8)	(5)
Settlements	(51)	(48)
Realized losses/(gains)	53	56
Unrealized gains/(losses)	(64)	(63)
Fair value at December 31	381	408
Target allocation percentage of assets	8.00%
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	358	380
Corporate Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	456	325
Short Term Investment Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	189	306
US Treasury and Government [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	259	304
Insurance Contracts [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	132	125
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at January 1	125	144
Purchases	5	8
Sales	(7)	(31)
Unrealized gains/(losses)	9	4
Fair value at December 31	132	125
Hedge Funds, Event Driven [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	92	86
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	56	70
US States and Political Subdivisions Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	47	34
Asset-backed Securities, Securitized Loans and Receivables [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	26	21
Real Estate [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	3	12
Cash and Cash Equivalents [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	58	(24)
Other Plan Assets [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at January 1	33	39
Purchases		5
Sales	(10)	(3)
Settlements	(2)	(4)
Realized losses/(gains)	(4)	3
Unrealized gains/(losses)	6	(7)
Fair value at December 31	23	33
United States Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Target allocation percentage of assets	58.00%
International Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Target allocation percentage of assets	12.00%
Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Target allocation percentage of assets	22.00%
Fair Value Level 1 [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	2,901	2,094
Fair Value Level 1 [Member] | Equity Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	410	236
Fair Value Level 1 [Member] | Equity Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	2,196	1,679
Fair Value Level 1 [Member] | Fixed Income Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	234	203
Fair Value Level 1 [Member] | Real Estate [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	3
Fair Value Level 1 [Member] | Cash and Cash Equivalents [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	58	(24)
Fair Value Level 2 [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	3,416	3,487
Fair Value Level 2 [Member] | Equity Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	1,555	1,559
Fair Value Level 2 [Member] | Fixed Income Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	401	419
Fair Value Level 2 [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	350	372
Fair Value Level 2 [Member] | Corporate Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	453	315
Fair Value Level 2 [Member] | Short Term Investment Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	189	306
Fair Value Level 2 [Member] | US Treasury and Government [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	259	304
Fair Value Level 2 [Member] | Hedge Funds, Event Driven [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	92	86
Fair Value Level 2 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	50	63
Fair Value Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	44	34
Fair Value Level 2 [Member] | Asset-backed Securities, Securitized Loans and Receivables [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	23	17
Fair Value Level 2 [Member] | Real Estate [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value		12
Fair Value Level 3 [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	536	566
Fair Value Level 3 [Member] | Equity Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value		4
Fair Value Level 3 [Member] | Venture Capital Funds [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	381	408
Fair Value Level 3 [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	8	8
Fair Value Level 3 [Member] | Corporate Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	3	10
Fair Value Level 3 [Member] | Insurance Contracts [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	132	125
Fair Value Level 3 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	6	7
Fair Value Level 3 [Member] | US States and Political Subdivisions Debt Securities [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	3
Fair Value Level 3 [Member] | Asset-backed Securities, Securitized Loans and Receivables [Member]
Pension, Postretirement And Postemployment Liabilities Statement [Line Items]
Total plan assets at fair value	$ 3	$ 4