Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Derivatives and Location on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 29, 2025	Sep. 28, 2024
Cross-currency swaps \| Designated as Hedging
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of derivative instruments	$ (38)	$ 0

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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