Derivative Instruments and Hedging Activities - Gross Unrealized Losses from Derivative Instruments (Detail) (Cash Flow Hedges [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	$ 44.8	$ 8.0
Amount of Gain / (Loss) Reclassified from OCI	(5.5)	(3.9)
Foreign exchange forward contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	45.3	8.0
Foreign exchange forward contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI	(5.4)	(4.1)
Foreign exchange options [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	(0.5)
Foreign exchange options [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI	(0.1)
Cross-currency interest rate swaps [Member] | Interest expense net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI		$ 0.2