ALLIANCES AND COLLABORATIONS (Gilead) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Alliances and Collaborations Statement [Line Items]
Net Sales	$ 4,048	$ 4,443	$ 7,879	$ 9,694
Equity in net loss of affiliates	(50)	(53)	(86)	(110)
Gilead [Member] | Bulk efavirenz component of Atripla [Member]
Alliances and Collaborations Statement [Line Items]
Net Sales	346	323	670	645
Equity in net loss of affiliates	$ 4	$ 4	$ 8	$ 8