Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 15,470.2	$ 11,933.5	$ 13,912.7	$ 10,100.0
Other comprehensive income (loss) before reclassifications			22.1	183.8
Amounts reclassified from accumulated other comprehensive income (loss)			(25.9)	(102.1)
Total other comprehensive income (loss)	36.8	40.1	(3.8)	81.7
Ending balance	16,512.8	13,029.6	16,512.8	13,029.6
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(39.8)	57.5	0.8	15.9
Total other comprehensive income (loss)	36.8	40.1	(3.8)	81.7
Ending balance	(3.0)	97.6	(3.0)	97.6
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			9.1	(42.8)
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive income (loss)			9.1	(42.8)
Ending balance	(15.9)	(56.4)	(15.9)	(56.4)
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			(18.8)	(3.6)
Amounts reclassified from accumulated other comprehensive income (loss)			0.0	0.0
Total other comprehensive income (loss)			(18.8)	(3.6)
Ending balance	(18.9)	(4.1)	(18.9)	(4.1)
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			31.8	230.2
Amounts reclassified from accumulated other comprehensive income (loss)			(25.9)	(102.1)
Total other comprehensive income (loss)			5.9	128.1
Ending balance	$ 31.8	$ 158.1	$ 31.8	$ 158.1