Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Product sales	$ 2,065,859	$ 1,865,559	$ 5,969,025	$ 5,459,683
Royalty revenues	51,629	69,358	204,615	480,829
Contract and other revenues	4,172	2,739	11,367	10,221
Total revenues	2,121,660	1,937,656	6,185,007	5,950,733
Costs and expenses:
Cost of goods sold	531,989	477,584	1,539,963	1,373,539
Research and development	290,066	230,440	826,915	680,170
Selling, general and administrative	295,927	250,559	895,764	764,183
Total costs and expenses	1,117,982	958,583	3,262,642	2,817,892
Income from operations	1,003,678	979,073	2,922,365	3,132,841
Interest and other income, net	14,406	15,593	40,216	49,523
Interest expense	(43,097)	(33,620)	(130,420)	(68,339)
Income before provision for income taxes	974,987	961,046	2,832,161	3,114,025
Provision for income taxes	237,449	258,883	704,861	850,641
Net income	737,538	702,163	2,127,300	2,263,384
Net loss attributable to noncontrolling interest	3,586	2,713	11,192	8,454
Net income attributable to Gilead	$ 741,124	$ 704,876	$ 2,138,492	$ 2,271,838
Net income per share attributable to Gilead common stockholders - basic	$ 0.97	$ 0.85	$ 2.72	$ 2.61
Shares used in per share calculation - basic	767,033	833,006	787,272	871,887
Net income per share attributable to Gilead common stockholders - diluted	$ 0.95	$ 0.83	$ 2.66	$ 2.55
Shares used in per share calculation - diluted	781,312	847,228	802,762	890,216