Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales	$ 7,380	$ 7,143	$ 7,249
Cost of products sold	2,210	2,174	2,349
Gross profit	5,170	4,969	4,900
Operating expenses:
Selling, general and administrative expenses	2,902	2,674	2,535
Research and development expenses	817	861	886
Royalty expense	111	140	153
Amortization expense	438	410	395
Goodwill impairment charges	0	423	4,350
Intangible asset impairment charges	195	53	142
Contingent consideration expense (benefit)	(85)	4	(6)
Restructuring charges	69	101	136
Litigation-related charges	1,036	221	192
Gain on divestiture	(12)	(38)	(15)
Operating expenses	5,471	4,849	8,768
Operating income (loss)	(301)	120	(3,868)
Other income (expense):
Interest expense	(216)	(324)	(261)
Other, net	8	(19)	22
Income (loss) before income taxes	(509)	(223)	(4,107)
Income tax (benefit) expense	(390)	(102)	(39)
Net income (loss)	$ (119)	$ (121)	$ (4,068)
Net income (loss) per common share — basic	$ (0.09)	$ (0.09)	$ (2.89)
Net income (loss) per common share — assuming dilution	$ (0.09)	$ (0.09)	$ (2.89)
Weighted-average shares outstanding
Basic	1,324.3	1,341.2	1,406.7
Assuming dilution	1,324.3	1,341.2	1,406.7