Other Consolidated Financial Statement Detail (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accrued Expenses and Other
Revenue-related reserves for discounts and allowances	$ 732.3		$ 662.7
Current portion of contingent consideration obligations	505.1		504.7
Employee compensation and benefits	180.4		270.8
Royalties and licensing fees	161.0		167.9
Other	582.0		635.3
Total accrued expenses and other	2,003.9		2,096.8
Other Income (Expense), Net
Interest income	11.2	$ 3.3
Interest expense	(63.3)	(6.7)
Gain (loss) on sales of investments, net	1.6	(1.7)
Foreign exchange gains (losses), net	2.1	(13.0)
Other, net	(4.4)	3.1
Other income (expense), net	(52.8)	$ (15.0)
Component of accrued expenses and other
Accrued Expenses and Other
Revenue-related reserves for discounts and allowances	$ 575.4		$ 518.1