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Derivatives - Gains/(Losses) from Hedging Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gains/(Losses) from Derivatives
Revenues	$ 1,089.6	$ 1,286.3	$ 3,383.6	$ 3,786.0
Interest expense	(25.2)	(25.7)	(74.8)	(79.7)
Other income/(expense), net	(17.8)	(1.8)	(25.1)	26.8
Cash Flow Hedges | Foreign currency contracts | Revenues
Cash Flow and Fair Value Hedges
Gains/(losses) reclassified from AOCL into earnings	17.5	(0.6)	32.4	(10.0)
Amount excluded from effectiveness testing recognized in earnings based on an amortization approach	$ 1.5	1.4	4.0	4.9
Cash Flow Hedges | Interest rate contracts | Interest Expense
Cash Flow and Fair Value Hedges
Gains/(losses) reclassified from AOCL into earnings		$ (0.1)	$ (0.1)	(0.5)
Cash Flow Hedges | Interest rate contracts | Other income/(expense), net
Cash Flow and Fair Value Hedges
Gains/(losses) reclassified from AOCL into earnings				$ 0.7

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