EQUITY (Other Comprehensive Income/(Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Other Comprehensive Income (Loss), before Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gain/(loss), Pre-tax	$ 35	$ (14)	$ 70	$ (19)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Pre-tax	(36)	7	(63)	5
Derivatives qualifying as cash flow hedges, Pre-tax	(1)	(7)	7	(14)
Pension and postretirement benefits - Actuarial gain/(loss), Pre-tax	412	(49)	292	(299)
Pension and postretirement benefits - Amortization, Pre-tax	24	27	47	53
Pension and postretirement benefits - Curtailments and settlements, Pre-Tax	36	45	63	99
Pension and postretirement benefits, Pre-tax	472	23	402	(147)
Other Comprehensive Income (Loss), Unrealized holding gain/(loss) on securities arising during period, before Tax	(32)	25	(7)	29
Other Comprehensive Income (Loss), Reclassification adjustment from AOCI for sale of securities, before Tax	1	(1)		(1)
Available-for-sale securities, Pre-tax	(31)	24	(7)	28
Foreign currency translation, Pre-tax	(26)	21	20	10
Other Comprehensive Income/(Loss), Pre-tax	414	61	422	(123)
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gain/(loss), Tax	(19)	4	(30)	6
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Tax	11	(2)	20
Derivatives qualifying as cash flow hedges, Tax	(8)	2	(10)	6
Pension and postretirement benefits - Actuarial gain/(loss), Tax	(145)	13	(103)	103
Pension and postretirement benefits - Amortization, Tax	(9)	(6)	(15)	(19)
Pension and postretirement benefits - Curtailments and settlements, Tax	(12)	(17)	(22)	(38)
Pension and postretirement benefits, Tax	(166)	(10)	(140)	46
Other Comprehensive Income (Loss), Unrealized holding gain/(loss) on securities arising during period, Tax	9	(11)	1	(13)
Available-for-sale securities, Tax	9	(11)	1	(13)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(6)		(21)
Other comprehensive income/(loss), Tax	(171)	(19)	(170)	39
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gain/(loss), After tax	16	(10)	40	(13)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, After tax	(25)	5	(43)	5
Derivatives qualifying as cash flow hedges, After tax	(9)	(5)	(3)	(8)
Pension and postretirement benefits - Actuarial gain/(loss), After tax	267	(36)	189	(196)
Pension and postretirement benefits - Amortization, After tax	15	21	32	34
Pension and postretirement benefits - Curtailments and settlements, After tax	24	28	41	61
Pension and postretirement benefits, After tax	306	13	262	(101)
Other Comprehensive Income (Loss), Unrealized holding gain/(loss) on securities arising during period, After tax	(23)	14	(6)	16
Other Comprehensive Income (Loss), Reclassification adjustment from AOCI for sale of securities, After tax	1	(1)		(1)
Available-for-sale securities, After tax	(22)	13	(6)	15
Foreign currency translation, After tax	(32)	21	(1)	10
Other Comprehensive Income/(Loss)	243	$ 42	252	$ (84)
Derivatives qualifying as cash flow hedges	82		82		$ 85
Pension and postretirement benefits	(1,919)		(1,919)		(2,181)
Available-for-sale securities	25		25		31
Foreign currency translation	(361)		(361)		(360)
Accumulated other comprehensive loss	$ (2,173)		$ (2,173)		$ (2,425)