Financial Instruments and Risk Management (Effect Of Derivative Instruments on the Condensed Consolidated Statements of Operations Derivatives in Cash Flow Hedging Relationships) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive loss, net of tax	$ (202.9)	$ (859.9)	$ (447.3)	$ (2,014.8)
Gains and Losses on Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive earnings (loss) before reclassifications, before tax				104.6
Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	162.8	327.3	142.5	823.3
Other comprehensive earnings (loss) before reclassifications, before tax	122.7	(82.7)	135.9	(7.9)
Other comprehensive loss, net of tax	14.6	31.0	29.0	71.1
Foreign currency forward contracts | Other expense | Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Net unrecognized gain on derivatives in cash flow hedging relationships	122.2	(82.7)	135.4	(7.9)
Cash Flow Hedging | Gains and Losses on Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive earnings (loss) before reclassifications, before tax	23.4	46.7	77.4
Cash Flow Hedging | Foreign currency forward contracts | Sales
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	17.3	35.3	60.8	78.1
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	15.8	32.2	32.5	74.5
Cash Flow Hedging | Interest rate swaps | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(1.0)	(0.9)	(2.8)	(2.6)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(1.2)	(1.2)	(3.5)	(3.4)
Net Investment Hedging | Gains and Losses on Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive earnings (loss) before reclassifications, before tax				962.4
Net Investment Hedging | Foreign currency forward contracts | Gains and Losses on Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	145.1	292.9	83.1	747.8
Net Investment Hedging | Interest rate swaps | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Net unrecognized gain on derivatives in cash flow hedging relationships	0.5	0.0	0.5	0.0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	$ 1.4	$ 0.0	$ 1.4	$ 0.0