Comprehensive Earnings (Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized loss on marketable securities, net of tax	$ (2.7)	$ (2.1)	$ 0.0
Net unrecognized gain and prior service cost related to defined benefit plans, net of tax	29.2	(30.1)	32.2
Foreign currency translation adjustment	(4,584.5)	(3,421.5)	(1,802.4)
Accumulated other comprehensive loss:	(3,759.1)	(2,899.2)	(1,744.3)
Cash Flow Hedging | Gains and Losses on Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrecognized gain on derivatives in cash flow hedging relationships, net of tax	34.5		9.2
Net Investment Hedging
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrecognized gain on derivatives in net investment hedging relationships, net of tax	$ 764.4	$ 471.6	$ 16.7