Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 11,933.5	$ 9,196.4	$ 10,100.0	$ 8,686.8
Other comprehensive (loss) income before reclassifications			183.8	49.2
Amounts reclassified from accumulated other comprehensive income (loss)			(102.1)	30.8
Total other comprehensive income	40.1	36.7	81.7	80.0
Ending balance	13,029.6	9,530.8	13,029.6	9,530.8
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(13.6)	(15.6)
Other comprehensive (loss) income before reclassifications			(42.8)	3.3
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive income			(42.8)	3.3
Ending balance	(56.4)	(12.3)	(56.4)	(12.3)
On Available-For-Sale Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(0.5)	0.3
Other comprehensive (loss) income before reclassifications			(3.6)	(0.3)
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive income			(3.6)	(0.3)
Ending balance	(4.1)	0.0	(4.1)	0.0
On Foreign Currency Forward Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			30.0	(53.2)
Other comprehensive (loss) income before reclassifications			230.2	46.2
Amounts reclassified from accumulated other comprehensive income (loss)			(102.1)	30.8
Total other comprehensive income			128.1	77.0
Ending balance	158.1	23.8	158.1	23.8
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	57.5	(25.2)	15.9	(68.5)
Total other comprehensive income	40.1	36.7	81.7	80.0
Ending balance	$ 97.6	$ 11.5	$ 97.6	$ 11.5