Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales	$ 1,888	$ 1,846	$ 5,499	$ 5,493
Cost of products sold	539	550	1,600	1,651
Gross profit	1,349	1,296	3,899	3,842
Operating expenses:
Selling, general and administrative expenses	729	741	2,095	2,150
Research and development expenses	221	212	632	609
Royalty expense	17	21	53	86
Amortization expense	131	109	361	327
Intangible asset impairment charges	10	12	19	177
Contingent consideration expense (benefit)	40	(4)	86	(122)
Restructuring charges	7	2	16	37
Litigation-related charges (credits)	457	139	649	399
Pension termination charges	36	0	44	0
Gain on divestiture	0	0	0	(12)
Operating expenses	1,648	1,232	3,955	3,651
Operating income (loss)	(299)	64	(56)	191
Other income (expense):
Interest expense	(58)	(54)	(225)	(161)
Other, net	(10)	(7)	(31)	15
Income (loss) before income taxes	(367)	3	(312)	45
Income tax expense (benefit)	(169)	(40)	(215)	(135)
Net income (loss)	$ (198)	$ 43	$ (97)	$ 180
Net income (loss) per common share — basic	$ (0.15)	$ 0.03	$ (0.07)	$ 0.14
Net income (loss) per common share — assuming dilution	$ (0.15)	$ 0.03	$ (0.07)	$ 0.13
Weighted-average shares outstanding
Basic	1,344.0	1,325.5	1,339.7	1,323.5
Assuming dilution	1,344.0	1,347.6	1,339.7	1,347.3