OTHER COMPREHENSIVE INCOME OTHER COMPREHENSIVE INCOME (Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014		Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]									$ (4,886)	$ (4,646)	$ (2,628)	$ (2,759)
Other comprehensive income (loss), before reclassifications, net of tax	[1]	$ (556)		$ (475)		$ (945)		$ (469)
Reclassification from accumulated other comprehensive income, current period, net of tax	[1]	79		36		227		158
Other comprehensive income (loss), net of tax	[1]	(477)		(439)		(718)		(311)
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest	[1]	5		2		6		5
Accumulated Other Comprehensive Income (Loss), Net of Tax		(5,358)	[1]	(3,065)	[1]	(5,358)	[1]	(3,065)	[1]		(4,646)
Accumulated Defined Benefit Pension Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]									(2,993)	(3,134)	(2,087)	(2,105)
Other comprehensive income (loss), before reclassifications, net of tax	[1]	14		(1)		12		(104)
Reclassification from accumulated other comprehensive income, current period, net of tax	[1]	72		60		215		181
Other comprehensive income (loss), net of tax	[1]	86		59		227		77
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest	[1]	0		0		0		0
Accumulated Other Comprehensive Income (Loss), Net of Tax	[1]	(2,907)		(2,028)		(2,907)		(2,028)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]									(1,905)	(1,513)	(553)	(649)
Other comprehensive income (loss), before reclassifications, net of tax	[1]	(562)		(475)		(955)		(382)
Reclassification from accumulated other comprehensive income, current period, net of tax	[1]	0		(17)		0		(17)
Other comprehensive income (loss), net of tax	[1]	(562)		(492)		(955)		(399)
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest	[1]	5		2		6		5
Accumulated Other Comprehensive Income (Loss), Net of Tax	[1]	(2,462)		(1,043)		(2,462)		(1,043)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]									$ 12	$ 1	$ 12	$ (5)
Other comprehensive income (loss), before reclassifications, net of tax	[1]	(8)		1		(2)		17
Reclassification from accumulated other comprehensive income, current period, net of tax	[1]	7		(7)		12		(6)
Other comprehensive income (loss), net of tax	[1]	(1)		(6)		10		11
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest	[1]	0		0		0		0
Accumulated Other Comprehensive Income (Loss), Net of Tax	[1]	$ 11		$ 6		$ 11		$ 6

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