EQUITY (Other Comprehensive Income/(Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Other Comprehensive Income (Loss), before Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Pre-tax	$ 83	$ (35)	$ 45	$ (53)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Pre-tax	13	(10)	33	(32)
Derivatives qualifying as cash flow hedges, Pre-tax	96	(45)	78	(85)
Pension and postretirement benefits - Actuarial gains/(losses), Pre-tax	0	(93)	112	(35)
Pension and postretirement benefits - Amortization, Pre-tax	16	19	36	38
Pension and postretirement benefits - Curtailments and settlements, Pre-Tax	38	42	69	75
Pension and postretirement benefits, Pre-tax	54	(32)	217	78
Available-for-sale securities - Unrealized gains/(losses), Pre-tax	(8)	12	(40)	21
Foreign currency translation, Pre-tax	(204)	(19)	(211)	2
Other Comprehensive Income/(Loss), Pre-tax	(62)	(84)	44	16
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Tax	(10)	12	(4)	19
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Tax	(1)	2	(8)	6
Derivatives qualifying as cash flow hedges, Tax	(11)	14	(12)	25
Pension and postretirement benefits - Actuarial gains/(losses), Tax	0	33	(24)	15
Pension and postretirement benefits - Amortization, Tax	(3)	(14)	(6)	(11)
Pension and postretirement benefits - Curtailments and settlements, Tax	(8)	(14)	(15)	(26)
Pension and postretirement benefits, Tax	(11)	5	(45)	(22)
Available-for-sale securities - Unrealized gains/(losses), Tax	1	1	7	(2)
Foreign currency translation, Tax	(17)	11	(5)	19
Other comprehensive income/(loss), Tax	(38)	31	(55)	20
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), After tax	73	(23)	41	(34)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, After tax	12	(8)	25	(26)
Derivatives qualifying as cash flow hedges, After tax	85	(31)	66	(60)
Pension and postretirement benefits - Actuarial gains/(losses), After tax	0	(60)	88	(20)
Pension and postretirement benefits - Amortization, After tax	13	5	30	27
Pension and postretirement benefits - Curtailments and settlements, After tax	30	28	54	49
Pension and postretirement benefits, After tax	43	(27)	172	56
Available-for-sale securities - Unrealized gains/(losses), After tax	(7)	13	(33)	19
Foreign currency translation, After tax	(221)	(8)	(216)	21
Other Comprehensive Income/(Loss)	(100)	$ (53)	(11)	$ 36
Derivatives qualifying as cash flow hedges	47		47		$ (19)
Pension and postretirement benefits	(1,711)		(1,711)		(1,883)
Available-for-sale securities	(35)		(35)		32
Foreign currency translation	(635)		(635)		(419)
Accumulated other comprehensive loss	$ (2,334)		$ (2,334)		$ (2,289)