PENSION AND POSTRETIREMENT BENEFIT PLANS (Changes in Defined Benefit and Postretirement Benefit Plan Assets and Obligations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Pension plans with accumulated benefit obligations in excess of plan assets, Accumulated benefit obligation	$ 7,987	$ 6,867
Pension plans with accumulated benefit obligations in excess of plan assets, Fair value of plan assets	6,432	5,327
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Abstract]
Pension plans with projected benefit obligations in excess of plan assets, Projected benefit obligation	8,112	7,236
Pension plans with projected benefit obligations in excess of plan assets, Fair value of plan assets	6,432	5,540
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	6,853	6,147
Accrued expenses	(49)	(46)
Pension and other postretirement liabilities	(1,882)	(2,017)
Accumulated benefit obligation	8,068	7,322
Pension Benefits [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligations at beginning of year	7,499	6,704
Service cost - benefits earned during the year	32	43	44
Interest cost	319	337	347
Plan participants' contributions	2	3
Curtailments	(19)	(3)
Settlements	(260)	(41)
Plan amendments	(8)	(40)
Actuarial losses	838	876
Benefits paid	(227)	(386)
Exchange rate losses/(gains)	24	6
Benefit obligations at end of year	8,200	7,499	6,704
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	5,842	5,766
Actual return on plan assets	761	66
Employer contributions	396	432
Plan participants' contributions	2	3
Settlements	(260)	(41)
Benefits paid	(227)	(386)
Exchange rate gains/(losses)	28	2
Fair value of plan assets at end of year	6,542	5,842	5,766
Funded status	(1,658)	(1,657)
Other assets	22	39
Accrued expenses	(37)	(33)
Pension and other postretirement liabilities	(1,643)	(1,663)
Net actuarial loss recognized in accumulated other comprehensive loss, pre-tax	4,572	4,297
Net obligation at adoption recognized in accumulated other comprehensive loss, pre-tax	1	1
Prior service cost/(benefit) recognized in accumulated other comprehensive loss, pre-tax	(44)	(39)
Total recognized in other comprehensive loss, pre-tax	4,529	4,259
Other Benefits [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligations at beginning of year	582	589
Service cost - benefits earned during the year	8	8	6
Interest cost	22	26	30
Plan participants' contributions	24	25
Curtailments		(1)
Settlements		(2)
Plan amendments		(1)
Actuarial losses	(107)	6
Retiree Drug Subsidy	6	12
Benefits paid	(76)	(79)
Exchange rate losses/(gains)	1	(1)
Benefit obligations at end of year	460	582	589
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	305	315
Actual return on plan assets	41	10
Employer contributions	11	24
Plan participants' contributions	24	25
Settlements		(2)
Retiree Drug Subsidy	6	12
Benefits paid	(76)	(79)
Fair value of plan assets at end of year	311	305	315
Funded status	(149)	(277)
Other assets	12
Accrued expenses	(12)	(12)
Pension and other postretirement liabilities	(149)	(265)
Net actuarial loss recognized in accumulated other comprehensive loss, pre-tax	34	166
Prior service cost/(benefit) recognized in accumulated other comprehensive loss, pre-tax	(6)	(8)
Total recognized in other comprehensive loss, pre-tax	$ 28	$ 158