RETIREMENT BENEFITS (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. Pension Plans
Change in projected benefit obligation
Projected benefit obligation at beginning of period	$ 14,037
Projected benefit obligation at end of period	12,829	14,037
Change in plan assets
Plan assets at fair value at beginning of period	12,656
Company contributions	51	54
Plan assets at fair value at end of period	12,731	12,656
Funded status of significant plans at period end	(99)	(1,381)
Net amount recognized
Net amount recognized on the balance sheet	(99)	(1,381)
Amounts recognized in Accumulated other comprehensive income (loss)
Net amount recognized in equity-pretax	(4,130)	(5,189)
Accumulated benefit obligation at period end	12,790	13,984
U.S. Pension Plans | Effect of change in the measurement policy from annually to quarterly
Change in projected benefit obligation
Activity during the period	(368)
Change in plan assets
Activity during the period	(53)
U.S. Qualified Pension Plan
Change in projected benefit obligation
Projected benefit obligation at beginning of period	13,268	12,377
Benefits earned during the period	8	12	13
Interest cost on benefit obligation	538	565	612
Plan amendments		(13)
Actuarial (gain) loss	(671)	965
Benefits paid net of participatants contributions	(661)	(638)
Curtailment (gain) loss	23
Projected benefit obligation at end of period	12,137	13,268	12,377
Change in plan assets
Plan assets at fair value at beginning of period	12,656	11,991
Actual return on plan assets	789	1,303
Benefits paid	(661)	(638)
Plan assets at fair value at end of period	12,731	12,656	11,991
Funded status of significant plans at period end	593	(612)
Net amount recognized
Benefit asset	593
Benefit liability		(612)
Net amount recognized on the balance sheet	593	(612)
Amounts recognized in Accumulated other comprehensive income (loss)
Prior service benefit (cost)	7	13
Net actuarial gain (loss)	(3,911)	(4,904)
Net amount recognized in equity-pretax	(3,904)	(4,891)
Accumulated benefit obligation at period end	12,122	13,246
Expected minimum required funding for 2014	0
U.S. Nonqualified Pension Plan
Change in projected benefit obligation
Projected benefit obligation at end of period	692	769
Change in plan assets
Funded status of significant plans at period end	(692)	(769)
Net amount recognized
Net amount recognized on the balance sheet	(692)	(769)
Amounts recognized in Accumulated other comprehensive income (loss)
Net amount recognized in equity-pretax	(226)	(298)
Accumulated benefit obligation at period end	668	738
Non - U.S. Pension Plans
Change in projected benefit obligation
Projected benefit obligation at beginning of period	7,399	6,262
Benefits earned during the period	210	199	203
Interest cost on benefit obligation	384	367	382
Plan amendments	(28)	17
Actuarial (gain) loss	(733)	923
Benefits paid net of participatants contributions	(296)	(306)
Settlements	(57)	(254)
Curtailment (gain) loss	(2)	(8)
Special/contractual termination benefits	8	1	27
Foreign exchange impact and other	(76)	198
Projected benefit obligation at end of period	7,194	7,399	6,262
Change in plan assets
Plan assets at fair value at beginning of period	7,154	6,421
Actual return on plan assets	(256)	786
Company contributions	357	352
Plan participants contributions	6	6
Settlements	(61)	(254)
Benefits paid	(302)	(312)
Foreign exchange impact and other	(106)	155
Plan assets at fair value at end of period	6,918	7,154	6,421
Funded status of significant plans at period end	(276)	(245)
Net amount recognized
Benefit asset	709	763
Benefit liability	(985)	(1,008)
Net amount recognized on the balance sheet	(276)	(245)
Amounts recognized in Accumulated other comprehensive income (loss)
Net transition asset (obligation)	(1)	(2)
Prior service benefit (cost)	(2)	(33)
Net actuarial gain (loss)	(2,007)	(1,936)
Net amount recognized in equity-pretax	(2,010)	(1,971)
Accumulated benefit obligation at period end	6,652	6,369
Non - U.S. Pension Plans | Effect of change in the measurement policy from annually to quarterly
Change in projected benefit obligation
Activity during the period	385
Change in plan assets
Activity during the period	126
U.S. Postretirement Benefit Plans
Change in projected benefit obligation
Projected benefit obligation at beginning of period	1,072	1,127
Interest cost on benefit obligation	33	44	53
Actuarial (gain) loss	(253)	(24)
Benefits paid net of participatants contributions	(85)	(85)
Expected government subsidy	13	10
Projected benefit obligation at end of period	780	1,072	1,127
Change in plan assets
Plan assets at fair value at beginning of period	50	74
Actual return on plan assets	(1)	7
Company contributions	52	54
Plan participants contributions	50	58
Benefits paid	(122)	(143)
Plan assets at fair value at end of period	32	50	74
Funded status of significant plans at period end	(748)	(1,022)
Net amount recognized
Benefit liability	(748)	(1,022)
Net amount recognized on the balance sheet	(748)	(1,022)
Amounts recognized in Accumulated other comprehensive income (loss)
Prior service benefit (cost)	1	1
Net actuarial gain (loss)	129	(123)
Net amount recognized in equity-pretax	130	(122)
Accumulated benefit obligation at period end	780	1,072
U.S. Postretirement Benefit Plans | Effect of change in the measurement policy from annually to quarterly
Change in plan assets
Activity during the period	3
Non-U.S. Postretirement Benefit Plans
Change in projected benefit obligation
Projected benefit obligation at beginning of period	2,002	1,368
Benefits earned during the period	43	29	28
Interest cost on benefit obligation	146	116	118
Plan amendments	(171)
Actuarial (gain) loss	(617)	457
Benefits paid net of participatants contributions	(64)	(54)
Settlements	(2)
Curtailment (gain) loss	(3)
Foreign exchange impact and other	(4)	86
Projected benefit obligation at end of period	1,411	2,002	1,368
Change in plan assets
Plan assets at fair value at beginning of period	1,497	1,096
Actual return on plan assets	(223)	277
Company contributions	256	92
Benefits paid	(64)	(54)
Foreign exchange impact and other	(15)	86
Plan assets at fair value at end of period	1,472	1,497	1,096
Funded status of significant plans at period end	61	(505)
Net amount recognized
Benefit asset	407
Benefit liability	(346)	(505)
Net amount recognized on the balance sheet	61	(505)
Amounts recognized in Accumulated other comprehensive income (loss)
Net transition asset (obligation)	(1)	(1)
Prior service benefit (cost)	173	5
Net actuarial gain (loss)	(555)	(802)
Net amount recognized in equity-pretax	(383)	(798)
Accumulated benefit obligation at period end	1,411	2,002
Non-U.S. Postretirement Benefit Plans | Effect of change in the measurement policy from annually to quarterly
Change in projected benefit obligation
Activity during the period	81
Change in plan assets
Activity during the period	$ 21