BUSINESS SEGMENT INFORMATION (Net Sales of Key Products) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Segment Reporting Information [Line Items]
Net sales	$ 5,345	$ 4,798	$ 15,790	$ 14,373
PLAVIX [Member]
Segment Reporting Information [Line Items]
Net sales	1,788	1,658	5,415	4,951
AVAPRO AVALIDE [Member]
Segment Reporting Information [Line Items]
Net sales	216	303	757	924
ABILIFY [Member]
Segment Reporting Information [Line Items]
Net sales	691	608	2,021	1,858
REYATAZ [Member]
Segment Reporting Information [Line Items]
Net sales	391	375	1,153	1,105
SUSTIVA Franchise [Member]
Segment Reporting Information [Line Items]
Net sales	359	342	1,073	1,008
BARACLUDE [Member]
Segment Reporting Information [Line Items]
Net sales	311	228	878	667
ERBITUX [Member]
Segment Reporting Information [Line Items]
Net sales	172	159	510	497
SPRYCEL [Member]
Segment Reporting Information [Line Items]
Net sales	211	144	576	407
YERVOY [Member]
Segment Reporting Information [Line Items]
Net sales	121		216
ORENCIA [Member]
Segment Reporting Information [Line Items]
Net sales	233	184	660	531
NULOJIX [Member]
Segment Reporting Information [Line Items]
Net sales	0		2
ONGLYZA KOMBIGLYZE [Member]
Segment Reporting Information [Line Items]
Net sales	127	47	320	85
Mature Products And All Other [Member]
Segment Reporting Information [Line Items]
Net sales	$ 725	$ 750	$ 2,209	$ 2,340