OTHER COMPREHENSIVE INCOME Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income	$ 62	$ 55
Net Current Period Other Comprehensive Income (Loss)	103	211
Ending Balance	(4,530)	(5,152)
Defined Benefit Pension and Postretirement Items (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,527)	(3,072)
Other comprehensive income (loss) before reclassifications	0	(1)
Amounts reclassified from accumulated other comprehensive income	66	57
Ending Balance	(2,461)	(3,016)
Change in Cumulative Foreign Currency Translation Adjustments (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,111)	(2,287)
Other comprehensive income (loss) before reclassifications	40	148
Amounts reclassified from accumulated other comprehensive income	2	0
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	0	(1)
Ending Balance	(2,069)	(2,140)
Net Gains and Losses on Cash Flow Hedging Derivatives (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	5	(3)
Other comprehensive income (loss) before reclassifications	(3)	9
Amounts reclassified from accumulated other comprehensive income	(2)	(2)
Ending Balance	$ 0	$ 4