RETIREMENT BENEFITS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
U.S. Pension Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	$ 3	$ 3	$ 6	$ 6
Interest cost on benefit obligation	132	141	258	282
Expected return on plan assets	(215)	(224)	(429)	(448)
Amortization of unrecognized
Prior service cost (benefit)	(1)		(2)
Net actuarial loss	28	24	59	48
Net qualified plans (benefit) expense	(53)	(56)	(108)	(112)
U.S. nonqualified plans expense	12	10	24	20
Total net (benefit) expense	(64)	(46)	(107)	(92)
U.S. Pension Plans | Before adjustment due to effect of change in accounting policy
Amortization of unrecognized
Total net (benefit) expense	(41)	(46)	(84)	(92)
Non - U.S. Pension Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	53	50	107	100
Interest cost on benefit obligation	97	94	192	184
Expected return on plan assets	(104)	(103)	(205)	(201)
Amortization of unrecognized
Prior service cost (benefit)	1	1	2	2
Net actuarial loss	24	20	46	39
Curtailment (gain) loss		8		8
Net qualified plans (benefit) expense	71	70	142	132
Total net (benefit) expense	71	70	142	132
Non - U.S. Pension Plans | Before adjustment due to effect of change in accounting policy
Amortization of unrecognized
Total net (benefit) expense	71	70	142	132
U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Interest cost on benefit obligation	8	11	17	22
Expected return on plan assets	(1)	(1)	(2)	(2)
Amortization of unrecognized
Prior service cost (benefit)		(1)		(1)
Net actuarial loss				2
Net qualified plans (benefit) expense	7	9	15	21
Total net (benefit) expense	7	9	15	21
U.S. Postretirement Benefit Plans | Before adjustment due to effect of change in accounting policy
Amortization of unrecognized
Total net (benefit) expense	7	9	15	21
Non-U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Benefits earned during the period	15	7	25	14
Interest cost on benefit obligation	39	30	76	58
Expected return on plan assets	(41)	(29)	(72)	(54)
Amortization of unrecognized
Net actuarial loss	11	7	22	13
Net qualified plans (benefit) expense	24	15	51	31
Total net (benefit) expense	27	15	54	31
Non-U.S. Postretirement Benefit Plans | Before adjustment due to effect of change in accounting policy
Amortization of unrecognized
Total net (benefit) expense	24	15	51	31
Effect of change in the measurement policy from annually to quarterly
Defined Benefit Plan Disclosure
Percentage of significant plans, which use quarterly measurement policy, over the company's global pension and postretirement liabilities	80.00%		80.00%
Amortization of unrecognized
Total net (benefit) expense	(20)
Effect of change in the measurement policy from annually to quarterly | U.S. Pension Plans | Adjustment
Amortization of unrecognized
Total net (benefit) expense	(23)		(23)
Effect of change in the measurement policy from annually to quarterly | Non-U.S. Postretirement Benefit Plans | Adjustment
Amortization of unrecognized
Total net (benefit) expense	$ 3		$ 3