ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) 2 (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	$ 818,000,000	$ (1,339,000,000)
Other comprehensive income (loss) before reclassifications	(2,293,000,000)	2,219,000,000
Amounts reclassified from accumulated other comprehensive income	16,000,000	(62,000,000)
Net current period other comprehensive income (loss)	(2,277,000,000)	2,157,000,000	105,000,000
Balance end of period	(1,459,000,000)	818,000,000	(1,339,000,000)
Foreign Exchange Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance beginning of period December 31	304,000,000	356,000,000
Other comprehensive income (loss) before reclassifications	(1,044,000,000)	(52,000,000)
Amounts reclassified from accumulated other comprehensive income	0	0
Net current period other comprehensive income (loss)	(1,044,000,000)	(52,000,000)
Balance end of period	(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	355,000,000	(1,848,000,000)
Other comprehensive income (loss) before reclassifications	(1,284,000,000)	2,161,000,000
Amounts reclassified from accumulated other comprehensive income	201,000,000	42,000,000
Net current period other comprehensive income (loss)	(1,083,000,000)	2,203,000,000
Balance end of period	(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	170,000,000	157,000,000
Other comprehensive income (loss) before reclassifications	15,000,000	140,000,000
Amounts reclassified from accumulated other comprehensive income	(185,000,000)	(127,000,000)
Net current period other comprehensive income (loss)	(170,000,000)	13,000,000
Balance end of period	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	(11,000,000)	(4,000,000)
Other comprehensive income (loss) before reclassifications	20,000,000	(30,000,000)
Amounts reclassified from accumulated other comprehensive income	0	23,000,000
Net current period other comprehensive income (loss)	20,000,000	(7,000,000)
Balance end of period	$ 9,000,000	$ (11,000,000)