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Derivative Instruments and Hedging Activities - Cash Flow Hedges (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 EUR (€)	Mar. 15, 2017 EUR (€)	May 03, 2012 USD ($)
Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	$ 19.5	$ (74.2)	$ (151.5)	$ (164.4)
Amount of gain (loss) recognized from AOCI on derivative	(0.2)	(0.3)	1.2	0.0
Cash flow hedging \| Forward starting interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	23.9	(77.8)	(155.9)	(156.5)
Cash flow hedging \| Forward starting interest rate swaps \| Interest income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	(0.8)	(0.7)	(2.2)	(2.2)
Cash flow hedging \| Forward starting interest rate swaps \| Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Cash flow hedging \| Forward starting interest rate swaps \| Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Cash flow hedging \| Foreign currency forwards
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	(4.4)	3.6	4.4	(7.9)
Cash flow hedging \| Foreign currency forwards \| Interest income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Cash flow hedging \| Foreign currency forwards \| Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	0.9	0.5	4.5	2.8
Cash flow hedging \| Foreign currency forwards \| Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized from AOCI on derivative	(0.3)	(0.1)	(1.1)	(0.6)
Net investment hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	(39.0)	37.9	(40.7)	55.6
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Amount of gain (loss) recognized in income on derivative	0.0	0.0	0.0	0.0
Net investment hedging \| Cross currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	(19.0)	37.6	(13.8)	44.2
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	2.8	6.6	11.3	17.0
Net investment hedging \| Cross currency swaps \| Interest income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	(19.0)	37.6	(13.8)	44.2
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	2.8	6.6	11.3	17.0
Senior notes
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount							$ 1,900.0
EUR 800 million 1.25% notes due July 2024
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount \| €					€ 800,000,000
EUR 800 million 1.25% notes due July 2024 \| Senior notes \| Net investment hedging \| Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative	(39.0)	37.9	(40.7)	45.5
Amount of gain (loss) recognized from AOCI on derivative	0.0	0.0	0.0	0.0
Amount of gain (loss) recognized in income on derivative	$ 0.0	$ 0.0	$ 0.0	0.0
EUR 500 million notes due 2019 \| Senior notes
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount \| €						€ 500,000,000
EUR 500 million notes due 2019 \| Senior notes \| Net investment hedging \| Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivative				10.1
Amount of gain (loss) recognized from AOCI on derivative				0.0
Amount of gain (loss) recognized in income on derivative				$ 0.0