Condensed Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Product sales	$ 3,893	$ 3,613	$ 7,511	$ 7,141
Other revenues	66	191	154	255
Total revenues	3,959	3,804	7,665	7,396
Operating expenses:
Cost of sales (excludes amortization of certain acquired intangible assets presented below)	602	553	1,166	1,061
Research and development	819	675	1,555	1,321
Selling, general and administrative	1,130	986	2,153	1,870
Amortization of certain acquired intangible assets	73	73	147	147
Other	3	0	19	(1)
Total operating expenses	2,627	2,287	5,040	4,398
Operating income	1,332	1,517	2,625	2,998
Interest expense, net	122	147	257	292
Interest and other income, net	129	94	277	178
Income before income taxes	1,339	1,464	2,645	2,884
Provision for income taxes	169	262	350	515
Net income	$ 1,170	$ 1,202	$ 2,295	$ 2,369
Earnings per share:
Basic	$ 1.26	$ 1.25	$ 2.47	$ 2.44
Diluted	$ 1.25	$ 1.25	$ 2.45	$ 2.43
Shares used in calculation of earnings per share:
Basic	927	959	930	970
Diluted	935	964	938	976