Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Total revenues	$ 2,770.2	$ 2,690.6
Costs and expenses:
Cost of sales	363.0	342.6
Research and development expenses	979.7	789.1
Acquired in-process research and development expenses	19.8	76.8
Selling, general and administrative expenses	396.4	342.7
Intangible asset impairment charge	379.0	0.0
Change in fair value of contingent consideration	2.2	(0.1)
Total costs and expenses	2,140.1	1,551.1
Income from operations	630.1	1,139.5
Interest income	120.9	181.2
Interest expense	(3.0)	(10.4)
Other expense, net	(17.6)	(31.2)
Income before provision for income taxes	730.4	1,279.1
Provision for income taxes	84.1	179.5
Net income	$ 646.3	$ 1,099.6
Net income per common share:
Basic (in dollars per share)	$ 2.52	$ 4.26
Diluted (in dollars per share)	$ 2.49	$ 4.21
Shares used in per share calculations:
Basic (in shares)	256.9	258.2
Diluted (in shares)	259.5	261.1
Product revenues, net
Total revenues	$ 2,760.2	$ 2,690.6
Other revenues
Total revenues	$ 10.0	$ 0.0