EQUITY (Other Comprehensive Income/(Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Other Comprehensive Income (Loss), before Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Pre-tax	$ (28)	$ (14)	$ (81)	$ (199)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Pre-tax	21	21	(11)	12
Derivatives qualifying as cash flow hedges, Pre-tax	(7)	7	(92)	(187)
Pension and postretirement benefits - Actuarial gains/(losses), Pre-tax	(5)	72	(40)	(453)
Pension and postretirement benefits - Amortization, Pre-tax	19	20	57	56
Pension and postretirement benefits - Curtailments and settlements, Pre-Tax	21	19	96	66
Pension and postretirement benefits, Pre-tax	35	111	113	(331)
Available-for-sale securities - Unrealized gains/(losses), Pre-tax	28	(8)	49	29
Available-for-sale securities - Realized (gains)/losses, Pre-tax	(1)	(4)	(1)	30
Available-for-sale securities, Pre-tax	27	(12)	48	59
Foreign currency translation, Pre-tax	(10)	(2)	(8)	20
Other Comprehensive Income/(Loss), Pre-tax	45	104	61	(439)
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Tax	12	4	31	66
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Tax	(6)	(7)		(5)
Derivatives qualifying as cash flow hedges, Tax	6	(3)	31	61
Pension and postretirement benefits - Actuarial gains/(losses), Tax	2	(26)	17	160
Pension and postretirement benefits - Amortization, Tax	(11)	(7)	(22)	(19)
Pension and postretirement benefits - Curtailments and settlements, Tax	(8)	(6)	(34)	(23)
Pension and postretirement benefits, Tax	(17)	(39)	(39)	118
Available-for-sale securities - Unrealized gains/(losses), Tax	(5)	4	(7)	(13)
Available-for-sale securities, Tax	(5)	4	(7)	(13)
Foreign currency translation, Tax	17	3	36	6
Other comprehensive income/(loss), Tax	1	(35)	21	172
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), After tax	(16)	(10)	(50)	(133)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, After tax	15	14	(11)	7
Derivatives qualifying as cash flow hedges, After tax	(1)	4	(61)	(126)
Pension and postretirement benefits - Actuarial gains/(losses), After tax	(3)	46	(23)	(293)
Pension and postretirement benefits - Amortization, After tax	8	13	35	37
Pension and postretirement benefits - Curtailments and settlements, After tax	13	13	62	43
Pension and postretirement benefits, After tax	18	72	74	(213)
Available-for-sale securities - Unrealized gains/(losses), After tax	23	(4)	42	16
Available-for-sale securities - Realized (gains)/losses, After tax	(1)	(4)	(1)	30
Available-for-sale securities, After tax	22	(8)	41	46
Foreign currency translation, After tax	7	1	28	26
Other Comprehensive Income/(Loss)	46	$ 69	82	$ (267)
Derivatives qualifying as cash flow hedges	(23)		(23)		$ 38
Pension and postretirement benefits	(2,023)		(2,023)		(2,097)
Available-for-sale securities	34		34		(7)
Foreign currency translation	(409)		(409)		(437)
Accumulated other comprehensive loss	$ (2,421)		$ (2,421)		$ (2,503)