OTHER COMPREHENSIVE INCOME Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, January 1, 2017	[1]	$ (5,362)	$ (5,708)
Other comprehensive income (loss) before reclassifications	[1]	156	257
Amounts reclassified from accumulated other comprehensive income	[1]	55	63
Net Current Period Other Comprehensive Income (Loss)	[1]	211	320
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	(1)	(1)
Balance, March 31, 2017	[1]	(5,152)	(5,389)
Defined Benefit Pension and Postretirement Items (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, January 1, 2017	[1]	(3,072)	(3,169)
Other comprehensive income (loss) before reclassifications	[1]	(1)	17
Amounts reclassified from accumulated other comprehensive income	[1]	57	64
Net Current Period Other Comprehensive Income (Loss)	[1]	56	81
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	0	0
Balance, March 31, 2017	[1]	(3,016)	(3,088)
Change in Cumulative Foreign Currency Translation Adjustments (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, January 1, 2017	[1]	(2,287)	(2,549)
Other comprehensive income (loss) before reclassifications	[1]	148	236
Amounts reclassified from accumulated other comprehensive income	[1]	0	0
Net Current Period Other Comprehensive Income (Loss)	[1]	148	236
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	(1)	(1)
Balance, March 31, 2017	[1]	(2,140)	(2,314)
Net Gains and Losses on Cash Flow Hedging Derivatives (a)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, January 1, 2017	[1]	(3)	10
Other comprehensive income (loss) before reclassifications	[1]	9	4
Amounts reclassified from accumulated other comprehensive income	[1]	(2)	(1)
Net Current Period Other Comprehensive Income (Loss)	[1]	7	3
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	[1]	0	0
Balance, March 31, 2017	[1]	$ 4	$ 13

[1] All amounts are net of tax. Amounts in parentheses indicate debits to AOCI.