RETIREMENT BENEFITS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended					6 Months Ended		3 Months Ended					3 Months Ended		6 Months Ended		3 Months Ended					6 Months Ended		3 Months Ended
	Jun. 30, 2013 U.S. Pension Plans	Jun. 30, 2012 U.S. Pension Plans	Jun. 30, 2013 U.S. Pension Plans	Jun. 30, 2012 U.S. Pension Plans	Jun. 30, 2013 U.S. Pension Plans Significant plans measured quarterly	Mar. 31, 2013 U.S. Pension Plans Significant plans measured quarterly	Jun. 30, 2013 U.S. Pension Plans Significant plans measured quarterly Effect of change in the measurement policy from annually to quarterly Adjustment	Jun. 30, 2013 Non - U.S. Pension Plans	Jun. 30, 2012 Non - U.S. Pension Plans	Jun. 30, 2013 Non - U.S. Pension Plans	Jun. 30, 2012 Non - U.S. Pension Plans	Jun. 30, 2013 Non - U.S. Pension Plans Significant plans measured quarterly	Mar. 31, 2013 Non - U.S. Pension Plans Significant plans measured quarterly	Jun. 30, 2013 Non - U.S. Pension Plans Significant plans measured quarterly Effect of change in the measurement policy from annually to quarterly Adjustment	Dec. 31, 2012 Non - U.S. Pension Plans PBO of plans measured annually	Dec. 31, 2012 Nonqualified U.S. pension plans	Jun. 30, 2013 U.S. Postretirement Benefit Plans	Jun. 30, 2012 U.S. Postretirement Benefit Plans	Jun. 30, 2013 U.S. Postretirement Benefit Plans	Jun. 30, 2012 U.S. Postretirement Benefit Plans	Jun. 30, 2013 U.S. Postretirement Benefit Plans Significant plans measured quarterly	Mar. 31, 2013 U.S. Postretirement Benefit Plans Significant plans measured quarterly	Jun. 30, 2013 U.S. Postretirement Benefit Plans Significant plans measured quarterly Effect of change in the measurement policy from annually to quarterly Adjustment	Jun. 30, 2013 Non-U.S. Postretirement Benefit Plans	Jun. 30, 2012 Non-U.S. Postretirement Benefit Plans	Jun. 30, 2013 Non-U.S. Postretirement Benefit Plans	Jun. 30, 2012 Non-U.S. Postretirement Benefit Plans	Jun. 30, 2013 Non-U.S. Postretirement Benefit Plans Significant plans measured quarterly	Mar. 31, 2013 Non-U.S. Postretirement Benefit Plans Significant plans measured quarterly	Jun. 30, 2013 Non-U.S. Postretirement Benefit Plans Significant plans measured quarterly Effect of change in the measurement policy from annually to quarterly Adjustment	Dec. 31, 2012 Non-U.S. Postretirement Benefit Plans PBO of plans measured annually
Change in projected benefit obligation
Projected benefit obligation at beginning of period			$ 13,268		$ 13,241	$ 13,268				$ 7,399		$ 3,735	$ 3,725		$ (3,674)	$ 769			$ 1,072		$ 856	$ 1,072				$ 2,002		$ 1,761	$ 1,650		$ (352)
Activity during the period						(27)	(368)						10	385								(216)							111	81
Benefits earned during the year					3							15																13
Interest cost on benefit obligation	132	141	258	282	132			97	94	192	184	61					8	11	17	22	7			39	30	76	58	33
Actuarial (gain) loss					(646)							(366)									(59)							(321)
Benefits paid net participating contributions					(164)							(42)									(20)							(13)
Foreign exchange impact and other												(101)																(86)
Projected benefit obligation at end of period					12,198	13,241						3,687	3,735		(3,674)	769					784	856						1,468	1,761		(352)
Change in plan assets
Plan assets at fair value at beginning of period			12,656		12,715	12,656				7,154		4,359	4,320		(2,834)				50		46	50				1,497		1,754	1,487		(10)
Activity during the period						59	(53)						39	126								(4)	3						267	21
Actual return on plan assets					53							(377)									(3)							(294)
Company contributions			21	25						125	75	11							28	28	16					168	3
Benefits paid					(164)							(42)									(20)							(13)
Foreign exchange impact and other												(98)																(82)
Plan assets at fair value at end of period					12,551	12,715						3,979	4,359		(2,834)						42	46						1,386	1,754		(10)
Funded status of significant plans at period end					353							292									(742)							(82)
Net amount recognized
Benefit asset	353		353					393		393
Benefit liability								(101)		(101)							(742)		(742)					(82)		(82)
Net amount recognized on the balance sheet	353		353					292		292							742		742					82		82
Amounts recognized in Accumulated other comprehensive income (loss)
Prior service benefit	(11)		(11)					(2)		(2)							(1)		(1)					(3)		(3)
Net actuarial loss (gain)	4,068		4,068					1,277		1,277							(140)		(140)					704		704
Net amount recognized in equity-pretax	4,057		4,057					1,275		1,275							(141)		(141)					701		701
Accumulated benefit obligation at period end	$ 12,178		$ 12,178					$ 3,173		$ 3,173