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Balance Sheet Details and Other Financial Information - Debt Securities Available-for-Sale Debt Securities and Marketable Equity Securities (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Estimated Market Value	$ 1,795.2	$ 1,973.3
Equity Securities, FV-NI	1.3	0.0
Short-term marketable securities	$ 1,796.5	$ 1,973.3

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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