Reorganization and Business Transformation - Schedule of Restructuring and Related Costs (Details) - 2024 Restructuring Plan - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Restructuring Reserve [Roll Forward]
Expense accruals		$ 14
Cash payments	$ (19)	(14)
Employee separation benefits
Restructuring Reserve [Roll Forward]
Balance at December 31, 2024	5
Expense accruals	6
Cash payments	(8)
Balance at September 30, 2025	$ 3	$ 5

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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