PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Fair Value Measurement of Level 3 Pension Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Pension Plans [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	$ 15,851	$ 14,589
Foreign currency impact	(121)	(28)
Fair value of plan assets, ending balance	16,119	15,851
Defined Benefit Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	2,117	1,551
Relating to assets sold	118	31
Relating to assets held	36	165
Purchase, sales and settlements	202	372
Transfers into Level 3, net	25	3
Foreign currency impact	(12)	(5)
Fair value of plan assets, ending balance	2,486	2,117
Equity Securities [Member] | Defined Benefit Pension Plans [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, ending balance	6,181	6,676
Equity Securities [Member] | Defined Benefit Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	0	0
Relating to assets sold	0	(3)
Relating to assets held	1	2
Purchase, sales and settlements	3	1
Transfers into Level 3, net	12	0
Foreign currency impact	0	0
Fair value of plan assets, ending balance	16	0
Company common stock [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, ending balance		13
Fixed Income Securities [Member] | Defined Benefit Pension Plans [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, ending balance	5,934	5,424
Fixed Income Securities [Member] | Defined Benefit Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	50	50
Relating to assets sold	0	2
Relating to assets held	1	2
Purchase, sales and settlements	48	(6)
Transfers into Level 3, net	2	2
Foreign currency impact	(1)	0
Fair value of plan assets, ending balance	100	50
Alternative Investments [Member] | Defined Benefit Pension Plans [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, ending balance	2,835	2,496
Alternative Investments [Member] | Defined Benefit Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	2,027	1,458
Relating to assets sold	115	32
Relating to assets held	34	162
Purchase, sales and settlements	152	379
Transfers into Level 3, net	11	1
Foreign currency impact	(11)	(5)
Fair value of plan assets, ending balance	2,328	2,027
Other Investment Plan Assets [Member] | Defined Benefit Pension Plans [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, ending balance	346	448
Other Investment Plan Assets [Member] | Defined Benefit Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Pension Plan, Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of plan assets, beginning balance	40	43
Relating to assets sold	3	0
Relating to assets held	0	(1)
Purchase, sales and settlements	(1)	(2)
Transfers into Level 3, net	0	0
Foreign currency impact	0	0
Fair value of plan assets, ending balance	$ 42	$ 40