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Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Debt securities, available-for-sale sold	$ 10
Restricted cash	1	$ 1
Carrying value
Derivative [Line Items]
Long-term debt, less long-term debt due within one year	3,188	3,309
Fair value
Derivative [Line Items]
Long-term debt, less long-term debt due within one year	$ 3,262	$ 3,298

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with interest rate reset through auction process, sold at par value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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