DEFERRED INCOME (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Deferred Revenue Disclosure [Abstract]
Upfront, milestone and other licensing payments	$ 4,666		$ 4,346
Atripla* deferred revenue	364		339
Gain on sale-leaseback transactions	85		99
Other	17		65
Total deferred income	5,132		4,849
Deferred income current	986		825
Deferred income non-current	4,146		4,024
Amortization of deferred income	$ 248	$ 91