Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 14,432.3	$ 10,907.0	$ 13,912.7	$ 10,100.0
Other comprehensive income (loss) before reclassifications			(16.9)	92.6
Amounts reclassified from accumulated other comprehensive income (loss)			(23.7)	(51.0)
Total other comprehensive (loss) income	(26.7)	46.2	(40.6)	41.6
Ending balance	15,470.2	11,933.5	15,470.2	11,933.5
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(25.0)	(13.6)
Other comprehensive income (loss) before reclassifications			14.1	(24.7)
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive (loss) income			14.1	(24.7)
Ending balance	(10.9)	(38.3)	(10.9)	(38.3)
On Available-For-Sale Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(0.1)	(0.5)
Other comprehensive income (loss) before reclassifications			(12.6)	(3.0)
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive (loss) income			(12.6)	(3.0)
Ending balance	(12.7)	(3.5)	(12.7)	(3.5)
On Foreign Currency Forward Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			25.9	30.0
Other comprehensive income (loss) before reclassifications			(18.4)	120.3
Amounts reclassified from accumulated other comprehensive income (loss)			(23.7)	(51.0)
Total other comprehensive (loss) income			(42.1)	69.3
Ending balance	(16.2)	99.3	(16.2)	99.3
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(13.1)	11.3	0.8	15.9
Total other comprehensive (loss) income	(26.7)	46.2	(40.6)	41.6
Ending balance	$ (39.8)	$ 57.5	$ (39.8)	$ 57.5