OTHER COMPREHENSIVE INCOME Schedule of Accumulated 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
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]	$ (5,108)		$ (5,481)		$ (5,362)		$ (5,708)
Other comprehensive income (loss) before reclassifications	[1]	102		(45)		245		(210)
Amounts reclassified from accumulated other comprehensive income	[1]	56		69		169		461
Net Current Period Other Comprehensive Income (Loss)	[1]	158		24		414		251
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest		1	[1]	(1)	[1]	(1)	[1]	(1)
Ending Balance	[1]	(4,949)		(5,458)		(4,949)		(5,458)
Defined Benefit Pension and Postretirement Items (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]	(2,954)		(3,298)		(3,072)		(3,169)
Other comprehensive income (loss) before reclassifications	[1]	0		(53)		1		(581)
Amounts reclassified from accumulated other comprehensive income	[1]	59		72		176		471
Net Current Period Other Comprehensive Income (Loss)	[1]	59		19		177		(110)
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	0		0		0		0
Ending Balance	[1]	(2,895)		(3,279)		(2,895)		(3,279)
Change in Cumulative Foreign Currency Translation Adjustments (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]	(2,155)		(2,179)		(2,287)		(2,549)
Other comprehensive income (loss) before reclassifications	[1]	101		3		235		376
Amounts reclassified from accumulated other comprehensive income	[1]	(1)		0		(1)		(3)
Net Current Period Other Comprehensive Income (Loss)	[1]	100		3		234		373
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	1		(1)		(1)		(1)
Ending Balance	[1]	(2,054)		(2,177)		(2,054)		(2,177)
Net Gains and Losses on Cash Flow Hedging Derivatives (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]	1		(4)		(3)		10
Other comprehensive income (loss) before reclassifications	[1]	1		5		9		(5)
Amounts reclassified from accumulated other comprehensive income	[1]	(2)		(3)		(6)		(7)
Net Current Period Other Comprehensive Income (Loss)	[1]	(1)		2		3		(12)
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	0		0		0		0
Ending Balance	[1]	$ 0		$ (2)		$ 0		$ (2)

[1] All amounts are net of tax.