Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales	$ 7,622	$ 7,806	$ 8,188
Cost of products sold	2,659	2,599	2,576
Gross profit	4,963	5,207	5,612
Operating expenses:
Selling, general and administrative expenses	2,487	2,580	2,635
Research and development expenses	895	939	1,035
Royalty expense	172	185	191
Loss on program termination			16
Amortization expense	421	513	511
Goodwill impairment charges	697	1,817
Intangible asset impairment charges	21	65	12
Purchased research and development			21
Contingent consideration expense	7	2
Acquisition-related milestone		(250)
Restructuring charges	89	116	63
Litigation-related charges (credits)	48	(104)	2,022
Gain on divestiture	(778)
Operating expenses	4,059	5,863	6,506
Operating income (loss)	904	(656)	(894)
Other income (expense):
Interest expense	(281)	(393)	(407)
Other, net	19	(14)	(7)
Income (loss) before income taxes	642	(1,063)	(1,308)
Income tax expense (benefit)	201	2	(283)
Net income (loss)	$ 441	$ (1,065)	$ (1,025)
Net income (loss) per common share - basic	$ 0.29	$ (0.70)	$ (0.68)
Net income (loss) per common share - assuming dilution	$ 0.29	$ (0.70)	$ (0.68)
Weighted-average shares outstanding
Basic	1,509.3	1,517.8	1,507.9
Assuming dilution	1,519.0	1,517.8	1,507.9