Derivative Instruments and Hedging Activities (Fair Value and Presentation in the Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	$ 620.8	$ 754.7
Derivative liability, fair value, gross asset	158.8	68.6
Foreign exchange contracts | Derivatives designated as hedging instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	293.7	356.2
Derivative liability, fair value, gross asset	28.6	18.0
Foreign exchange contracts | Derivatives designated as hedging instruments: | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross liability	0.9
Derivative liability, fair value, gross liability	6.6
Foreign exchange contracts | Derivatives designated as hedging instruments: | Other non-current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	149.2	287.8
Derivative liability, fair value, gross asset	40.2	28.0
Foreign exchange contracts | Derivatives designated as hedging instruments: | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross liability	14.8
Derivative liability, fair value, gross liability	24.5
Interest rate swap agreements | Derivatives designated as hedging instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	22.0	30.7
Derivative liability, fair value, gross asset	0.0	0.0
Interest rate swap agreements | Derivatives designated as hedging instruments: | Other non-current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	121.5	26.1
Derivative liability, fair value, gross asset	19.2	4.7
Interest rate swap agreements | Derivatives designated as hedging instruments: | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross liability	1.4	0.2
Derivative liability, fair value, gross liability	4.4	0.9
Interest rate swap agreements | Derivatives not designated as hedging instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	0.7	2.4
Derivative liability, fair value, gross asset	0.6	2.3
Interest rate swap agreements | Derivatives not designated as hedging instruments: | Other non-current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	4.5	2.4
Derivative liability, fair value, gross asset	3.5	1.4
Foreign exchange contracts | Derivatives not designated as hedging instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	9.5	46.0
Derivative liability, fair value, gross asset	4.4	5.9
Foreign exchange contracts | Derivatives not designated as hedging instruments: | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross liability	2.6	2.9
Derivative liability, fair value, gross liability	$ 26.8	$ 7.4