EQUITY (Accumulated balances related to each component of other comprehensive income/(loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Equity [Abstract]
Derivatives qualifying as cash flow hedges	$ 38	$ 34
Pension and other postretirement benefits	(2,097)	(2,080)
Available-for-sale securities	(7)	(23)
Foreign currency translation	(437)	(399)
Accumulated other comprehensive loss	(2,503)	(2,468)
Other Comprehensive Income (Loss), before Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Pre-tax	(5)	59	$ 139
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Pre-tax	12	(130)	(41)
Derivatives qualifying as cash flow hedges, Pre-tax	7	(71)	98
Pension and postretirement benefits - Actuarial gains/(losses), Pre-tax	(126)	(88)	(1,414)
Pension and postretirement benefits - Amortization, Pre-tax	78	85	104
Pension and postretirement benefits - Settlements and curtailments, Pre-tax	91	160	867
Pension and other postretirement benefits, Pre-tax	43	157	(443)
Available-for-sale securities - Unrealized gains/(losses), Pre-tax	(12)	(71)	10
Available-for-sale securities - Realized (gains)/losses, Pre-tax	29	3	(1)
Available-for-sale securities, Pre-tax	17	(68)	9
Foreign currency translation, Pre-tax	(33)	(17)	(8)
Other Comprehensive Income/(Loss), before Tax	34	1	(344)
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized gains/(losses), Tax		(22)	(45)
Derivatives qualifying as cash flow hedges - Reclassified to net earnings, Tax	(3)	42	16
Derivatives qualifying as cash flow hedges, Tax	(3)	20	(29)
Pension and other postretirement benefits - Actuarial gains/(losses), Tax	(3)	27	464
Pension and other postretirement benefits - Amortization, Tax	(25)	(28)	(37)
Pension and other postretirement benefits - Settlements and curtailments, Tax	(32)	(55)	(308)
Pension and other postretirement benefits, Tax	(60)	(56)	119
Available-for-sale securities - Unrealized gains/(losses), Tax	(1)	14	(6)
Available-for-sale securities - Realized (gains)/losses, Tax	(1)	14	(6)
Foreign currency translation Adjustment, Tax	(5)	(22)	(24)
Other comprehensive income/(loss), Tax	(69)	(44)	60
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Derivatives qualifying as cash flow hedges - Unrealized holding gains/(losses), After tax	(5)	37	94
Derivatives qualifying as cash flow hedges - Reclassified to net earnings After tax	9	(88)	(25)
Derivatives qualifying as cash flow hedges, After tax	4	(51)	69
Pension and other postretirement benefits - Actuarial gains/(losses), After tax	(129)	(61)	(950)
Pension and other postretirement benefits - Amortization, After tax	53	57	67
Pension and other postretirement benefits - Settlements and curtailments	59	105	559
Pension and other postretirement benefits, After tax	(17)	101	(324)
Available for sale securities - Unrealized gains/(losses), After tax	(13)	(57)	4
Available for sale securities - Realized (gains)/losses, After tax	29	3	(1)
Available-for-sale securities, After tax	16	(54)	3
Foreign currency translation, After tax	(38)	(39)	(32)
Total Other Comprehensive Income/(Loss)	$ (35)	$ (43)	$ (284)