Derivative Instruments and Hedging Activities (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Fair value of derivative instruments
Asset Derivative	$ 170.0		$ 133.5
Liability Derivative	210.6		116.4
Designated as hedging instruments | Foreign exchange contracts | Other current assets
Fair value of derivative instruments
Asset Derivative	62.6	[1]	35.2	[1]
Liability Derivative	24.7	[1]	12.7	[1]
Designated as hedging instruments | Foreign exchange contracts | Other current liabilities
Fair value of derivative instruments
Asset Derivative	35.2	[1]
Asset Derivative			9.1	[1]
Liability Derivative	70.5	[1]	31.4	[1]
Designated as hedging instruments | Foreign exchange contracts | Other non-current assets
Fair value of derivative instruments
Asset Derivative	31.4	[1]	30.5	[1]
Liability Derivative	19.5	[1]	13.8	[1]
Designated as hedging instruments | Foreign exchange contracts | Other non-current liabilities
Fair value of derivative instruments
Asset Derivative	0.9	[1]
Liability Derivative	17.4	[1]
Designated as hedging instruments | Interest rate swap agreements | Other current assets
Fair value of derivative instruments
Asset Derivative	11.4		0.1
Designated as hedging instruments | Interest rate swap agreements | Other non-current assets
Fair value of derivative instruments
Asset Derivative	0.3		0.1
Liability Derivative	0		0.2
Designated as hedging instruments | Interest rate swap agreements | Other non-current liabilities
Fair value of derivative instruments
Liability Derivative	44.8		0.6
Not designated as hedging instruments | Foreign exchange contracts | Other current assets
Fair value of derivative instruments
Asset Derivative	20.0	[1]	45.8	[1]
Liability Derivative	6.2	[1]	36.3	[1]
Not designated as hedging instruments | Foreign exchange contracts | Other current liabilities
Fair value of derivative instruments
Asset Derivative	5.5	[1]	10.4	[1]
Liability Derivative	27.5	[1]	21.4	[1]
Not designated as hedging instruments | Foreign exchange contracts | Other non-current assets
Fair value of derivative instruments
Asset Derivative	1.1	[1]
Not designated as hedging instruments | Interest rate swap agreements | Other current assets
Fair value of derivative instruments
Asset Derivative			0.6
Not designated as hedging instruments | Interest rate swap agreements | Other non-current assets
Fair value of derivative instruments
Asset Derivative	$ 1.6	[1]	$ 1.7

[1] Derivative instruments in this category are subject to master netting arrangements and are presented on a net basis in the Consolidated Balance Sheets in accordance with ASC 210-20.