Financial Instruments and Fair Value Measurements - Effect of Derivatives on Consolidated and Combined Statements of Operations (Details) - Cross-currency Swaps [Member] - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Financial Instruments and Fair Value Measurements [Abstract]
Loss on derivative instruments	$ (2)	$ (2)	$ (6)	$ (7)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest expense, net	Interest expense, net	Interest expense, net	Interest expense, net

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

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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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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 825
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