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Investments - Maturity Distribution Based on Contractual Terms of Investment Securities (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Available-For-Sale Amortized Cost
Due within 1 year	$ 110
Due after 1 year through 5 years	205
Amortized Cost	315	$ 291
Available-For-Sale Fair Value
Due within 1 year	110
Due after 1 year through 5 years	206
Total	$ 316	$ 292

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- Definition

Amortized cost 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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