DEFERRED INCOME (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Deferred Revenue Disclosure [Abstract]
Alliances	$ 1,426		$ 1,459
Other	342		130
Total deferred income	1,768		1,589
Deferred income current	1,182		1,003
Deferred income non-current	586		$ 586
Deferred early access program	185
Amortization of deferred income	$ 143	$ 159