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, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	$ 22.9	$ 22.7	$ 67.7	$ 30.7
Amount of Gain / (Loss) Reclassified from OCI	3.6	(3.8)	(1.9)	(7.7)
Foreign exchange forward contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	22.7	23.8	68.0	31.8
Foreign exchange forward contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Reclassified from OCI	3.7	(3.7)	(1.7)	(7.8)
Foreign exchange options [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI	0.2	(1.1)	(0.3)	(1.1)
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)	(0.1)
Cross-currency interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain / (Loss) Recognized in OCI
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