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Fair Value Measurements and Investments - Summarizes the Types of Holdings and Related Values (Details) - Corporate Debt Securities [Member] $ in Millions | Sep. 30, 2025 USD ($)
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Schedule of Held-to-Maturity Securities [Line Items] |
Amortized cost basis | $ 50
Allowance for credit losses | 0
Net carrying amount | 50
Gross unrealized gains | 1
Gross unrealized losses | 0
Aggregate fair value | $ 51

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