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Cash Equivalents and Investments - Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Details) $ in Millions | Jun. 30, 2026 USD ($)
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Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
Less than 12 Months, Fair Value | $ 4,165
Less than 12 Months, Unrealized Losses | (23)
12 Months or Greater, Fair Value | 0
12 Months or Greater, Unrealized Losses | 0
Total, Fair Value | 4,165
Total, Unrealized Losses | (23)
U.S. Treasury securities |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
Less than 12 Months, Fair Value | 2,663
Less than 12 Months, Unrealized Losses | (12)
12 Months or Greater, Fair Value | 0
12 Months or Greater, Unrealized Losses | 0
Total, Fair Value | 2,663
Total, Unrealized Losses | (12)
U.S. agency securities |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
Less than 12 Months, Fair Value | 699
Less than 12 Months, Unrealized Losses | (7)
12 Months or Greater, Fair Value | 0
12 Months or Greater, Unrealized Losses | 0
Total, Fair Value | 699
Total, Unrealized Losses | (7)
Corporate debt securities |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
Less than 12 Months, Fair Value | 803
Less than 12 Months, Unrealized Losses | (4)
12 Months or Greater, Fair Value | 0
12 Months or Greater, Unrealized Losses | 0
Total, Fair Value | 803
Total, Unrealized Losses | $ (4)

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