Long-Term Debt - Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024
Long-Term Debt [Abstract]
Debt discounts, deferred fees and other	$ 0	$ (79)
Total long-term debt	$ 0	1,952
Revolving Credit Facility [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2029
Long-term debt	$ 0	0
Term Loan [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2031
Long-term debt	$ 0	731
7.25% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2031
Long-term debt	$ 0	800
4.75% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Maturity date	Oct. 31, 2029
Long-term debt	$ 0	$ 500