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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
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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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