Gain and Loss Activity Related to Derivative Financial Instruments Not Designated as Effective Hedges (Detail) (Derivatives that are not designated as effective hedges, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	$ 12.4	[1]	$ (4.6)	[1]
Cash flow derivatives | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	14.2	[1]	(5.0)	[1]
Cash flow derivatives | Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	$ (1.8)	[1]	$ 0.4	[1]

[1] Classified in SG&A.