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Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Less than one year
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Unrealized Gain (Loss)	$ 1
One year through five years
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Unrealized Gain (Loss)	$ (2)
Marketable Securities [Member] | Debt Security, Government, Non-US
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities		$ 55	$ 55

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Debt Securities, Held-to-Maturity

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Amount of unrealized gain (loss) on 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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