Debt (Details) - USD ($) $ in Millions			6 Months Ended
	May 28, 2021	Apr. 28, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Short-Term Borrowings [Abstract]
Short-term debt			$ 9.3		$ 3.9
Long-Term Debt [Abstract]
Long-term debt, carrying amount			5,338.4		5,823.0
Unamortized premium (discount), net			(8.9)		(5.1)
Unamortized debt issuance costs			(30.5)		(27.0)
Unamortized deferred gain from settlement of interest rate swaps			1.7		16.4
Long-term debt			5,300.7		5,807.3
Proceeds from borrowings		$ 791.7	791.7	$ 1,186.6
Loss on extinguishment of debt	$ (26.6)
Credit Facility [Member]
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity			$ 2,500.0
Credit Facilities, expiration date			Feb. 14, 2025
Credit Facilities, amount outstanding			$ 0.0
Credit Facilities, covenant terms			The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period. In October 2020, we amended the Credit Facility to increase the maximum Leverage Ratio to 4.0 times through December 31, 2021.
Credit Facilities, covenant compliance			At June 30, 2021, we were in compliance with this covenant as our Leverage Ratio was 2.2 times.
Commercial Paper [Member]
Credit Facilities [Abstract]
Credit Facilities, current borrowing capacity			$ 2,000.0
Credit Facilities, amount outstanding			0.0
Uncommitted credit lines [Member]
Credit Facilities [Abstract]
Credit Facilities, current borrowing capacity			966.2
Credit Facilities, amount outstanding			0.0
3.625% Senior Notes due 2022
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 0.0		1,250.0
Long-term debt, interest rate			3.625%
3.65% Senior Notes due 2024
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 750.0		750.0
Long-term debt, interest rate			3.65%
3.60% Senior Notes due 2026
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 1,400.0		1,400.0
Long-term debt, interest rate			3.60%
€500 Million 0.80% Senior Notes due 2027
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 594.2		611.5
Long-term debt, interest rate			0.80%
2.45% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 600.0		600.0
Long-term debt, interest rate			2.45%
4.20% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 600.0		600.0
Long-term debt, interest rate			4.20%
€500 Million 1.40% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 594.2		611.5
Long-term debt, interest rate			1.40%
2.60% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount		$ 800.0	$ 800.0		$ 0.0
Long-term debt, interest rate		2.60%	2.60%