Long-Term Debt, Commercial Paper (Details) $ in Millions			12 Months Ended
	Nov. 01, 2021 USD ($)	Aug. 16, 2021 USD ($)	Dec. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt
Repayments of long-term debt			$ 15.7	$ 10.3	$ 912.6
Commercial Paper Programs
Debt
Maximum borrowing capacity			2,500.0
U.S. Commercial Paper Program
Debt
Average interest rate (as a percent)				4.69%
Debt carrying amount, net of unamortized discount before deferred debt issuance costs			0.0	$ 632.8
Maximum borrowing capacity			$ 2,500.0
U.S. Commercial Paper Program | Maximum
Debt
Maturity term			397 days
Euro Commercial Paper Program
Debt
Number of wholly-owned subsidiaries that entered into a euro-commercial paper program | item			1
Debt carrying amount, net of unamortized discount before deferred debt issuance costs			$ 0.0	$ 0.0
Maximum borrowing capacity			$ 2,000.0
Euro Commercial Paper Program | Maximum
Debt
Maturity term			183 days
4.00% Senior Notes due February 2022
Debt
Stated interest rate (as a percent)	4.00%
Repayments of long-term debt	$ 295.0
3.125% Senior Notes due September 2021
Debt
Stated interest rate (as a percent)		3.125%
Repayments of long-term debt		$ 227.7