ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) 2 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	$ (1,459,000,000)	$ 818,000,000
Other comprehensive income (loss) before reclassifications	(1,038,000,000)	(2,293,000,000)
Amounts reclassified from accumulated other comprehensive income	(38,000,000)	16,000,000
Net current period other comprehensive income (loss)	(1,076,000,000)	(2,277,000,000)	$ 2,157,000,000
Balance end of period	(2,535,000,000)	(1,459,000,000)	818,000,000
Foreign Exchange Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	(740,000,000)	304,000,000
Other comprehensive income (loss) before reclassifications	(1,152,000,000)	(1,044,000,000)
Amounts reclassified from accumulated other comprehensive income	0	0
Net current period other comprehensive income (loss)	(1,152,000,000)	(1,044,000,000)
Balance end of period	(1,892,000,000)	(740,000,000)	304,000,000
Pension and Other Postretirement Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	(728,000,000)	355,000,000
Other comprehensive income (loss) before reclassifications	23,000,000	(1,284,000,000)
Amounts reclassified from accumulated other comprehensive income	61,000,000	201,000,000
Net current period other comprehensive income (loss)	84,000,000	(1,083,000,000)
Balance end of period	(644,000,000)	(728,000,000)	355,000,000
Changes in Fair Value of Available for Sale Investments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	0	170,000,000
Other comprehensive income (loss) before reclassifications	0	15,000,000
Amounts reclassified from accumulated other comprehensive income	0	(185,000,000)
Net current period other comprehensive income (loss)	0	(170,000,000)
Balance end of period	0	0	170,000,000
Changes in Fair Value of Effective Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	9,000,000	(11,000,000)
Other comprehensive income (loss) before reclassifications	91,000,000	20,000,000
Amounts reclassified from accumulated other comprehensive income	(99,000,000)	0
Net current period other comprehensive income (loss)	(8,000,000)	20,000,000
Balance end of period	$ 1,000,000	$ 9,000,000	$ (11,000,000)