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		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	$ (11.6)	$ 22.9	$ (15.5)	$ 67.7
Amount of Gain / (Loss) Reclassified from OCI	6.6	3.6	11.5	(1.9)
Foreign exchange forward contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	(11.4)	22.7	(15.3)	68.0
Foreign exchange forward contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI	6.7	3.7	11.7	(1.7)
Foreign exchange options [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	(0.2)	0.2	(0.2)	(0.3)
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)	$ (0.2)	$ (0.2)