CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Net product sales	$ 2,312.6	$ 1,956.8	$ 6,621.9	$ 5,508.9
Other revenue	21.5	25.4	70.8	76.0
Total revenue	2,334.1	1,982.2	6,692.7	5,584.9
Expenses:
Cost of goods sold (excluding amortization of acquired intangible assets)	109.9	97.7	314.7	282.7
Research and development	1,304.5	675.1	2,920.5	1,845.7
Selling, general and administrative	550.3	497.6	1,696.3	1,483.5
Amortization of acquired intangible assets	63.6	63.7	190.9	194.7
Acquisition related charges and restructuring, net	226.2	1.5	215.9	11.0
Total costs and expenses	2,254.5	1,335.6	5,338.3	3,817.6
Operating income	79.6	646.6	1,354.4	1,767.3
Other income and (expense):
Interest and investment income, net	8.6	6.9	26.4	20.6
Interest (expense)	(88.5)	(53.5)	(186.0)	(124.4)
Other income (expense), net	(19.6)	(22.5)	83.2	(46.9)
Income (loss) before income taxes	(19.9)	577.5	1,278.0	1,616.6
Income tax provision	14.2	69.0	237.0	230.6
Net income (loss)	$ (34.1)	$ 508.5	$ 1,041.0	$ 1,386.0
Net income (loss) per common share:
Basic (in dollars per share)	$ (0.04)	$ 0.64	$ 1.31	$ 1.72
Diluted (in dollars per share)	$ (0.04)	$ 0.61	$ 1.26	$ 1.66
Weighted average shares:
Basic (in shares)	791.1	799.6	794.3	803.5
Diluted (in shares)	791.1	832.8	827.7	836.4