ALLIANCES AND COLLABORATIONS (Gilead) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Alliances and Collaborations Statement [Line Items]
Net sales	$ 3,736	$ 5,345	$ 13,430	$ 15,790
Equity in net loss of affiliates	40	71	150	215
Gilead [Member] \| Bulk efavirenz component of ATRIPLA [Member]
Alliances and Collaborations Statement [Line Items]
Net sales	305	289	950	858
Equity in net loss of affiliates	$ (6)	$ (3)	$ (14)	$ (11)

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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