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, 2014	Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	$ (3.9)	$ 44.8
Amount of Gain / (Loss) Reclassified from OCI	4.9	(5.5)
Foreign exchange forward contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	(3.9)	45.3
Foreign exchange forward contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI	5.0	(5.4)
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)	$ (0.1)