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Related Parties (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Related Party Transaction [Line Items]
Capital contribution	$ 235
Additional Paid-in Capital
Related Party Transaction [Line Items]
Capital contribution	235
Related Party
Related Party Transaction [Line Items]
Professional fees	4	$ 4	$ 4
PAE Acquisition | Related Party
Related Party Transaction [Line Items]
Professional fees	$ 0	$ 0	$ 14

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