Long-Term Debt - Long-term Debt (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 28, 2025	Sep. 28, 2024
Long-Term Debt [Abstract]
Debt discounts, deferred fees and other	$ (82)	$ 0
Total long-term debt	1,999	0
Current portion of long-term debt	(8)	0
Long-term debt, less current portion	$ 1,991	0
Line of Credit [Member] | Revolving Credit Facility [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2029
Long-term debt	$ 0	0
Line of Credit [Member] | Term Loan [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2031
Long-term debt	$ 781	0
Senior Notes [Member] | 7.25% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Maturity date	Nov. 30, 2031
Long-term debt	$ 800	0
Senior Notes [Member] | 4.75% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Maturity date	Oct. 31, 2029
Long-term debt	$ 500	$ 0