RETIREMENT BENEFITS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
U.S. Pension Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	$ 3	$ 4
Interest cost on benefit obligation	141	155
Expected return on plan assets	(224)	(222)
Amortization of unrecognized
Net actuarial loss	24	17
Net qualified plans (benefit) expense	(56)	(46)
Nonqualified plans expense	10	10
Total net (benefit) expense	(46)	(36)
Non - U.S. Pension Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	50	42
Interest cost on benefit obligation	90	85
Expected return on plan assets	(98)	(94)
Amortization of unrecognized
Prior service cost (benefit)	1	1
Net actuarial loss	19	14
Curtailment (gain) loss		3
Net qualified plans (benefit) expense	62	51
Total net (benefit) expense	62	51
Total contribution made by the company in 2012	47
Additional contribution expected to be made by the company in 2012	204
Prior service cost (benefit)	1	1
Nonqualified U.S. pension plans
Amortization of unrecognized
Total contribution made by the company in 2012	11
Additional contribution expected to be made by the company in 2012	35
U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Interest cost on benefit obligation	11	15
Expected return on plan assets	(1)	(2)
Amortization of unrecognized
Prior service cost (benefit)		(1)
Net actuarial loss	2	3
Net qualified plans (benefit) expense	12	15
Total net (benefit) expense	12	15
Additional contribution expected to be made by the company in 2012	55
Prior service cost (benefit)		(1)
Non-U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	7	6
Interest cost on benefit obligation	28	26
Expected return on plan assets	(25)	(25)
Amortization of unrecognized
Net actuarial loss	6	5
Net qualified plans (benefit) expense	16	12
Total net (benefit) expense	16	12
Total contribution made by the company in 2012	2
Additional contribution expected to be made by the company in 2012	93
Postemployment Plans
Amortization of unrecognized
Prior service cost (benefit)	2	2
Net actuarial loss	3	2
Net expense recognized in the consolidated statement of income	20	18
Prior service cost (benefit)	$ 2	$ 2