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Balance Sheet Details and Other Financial Information - Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest and dividend income	$ 32.7	$ 32.0	$ 89.2	$ 104.5
Interest expense	(4.7)	(4.7)	(14.1)	(14.1)
Net gains (losses) on equity investments	82.7	0.4	78.1	(1.4)
Other income (expense), net	(0.9)	(2.3)	5.7	(2.4)
Total other income, net	$ 109.8	$ 25.4	$ 158.9	$ 86.6

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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