Restructuring and Other Activities - Accrual Activity for Restructuring and Other Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025		Sep. 28, 2024	Sep. 30, 2023
Restructuring and Other Activities [Abstract]
Beginning balance	$ 8		$ 0	$ 4
Charges	89		30	24
Non-cash items	(5)		(3)
Cash payments	(77)		(19)	(28)
Ending balance	15		8	0
Employee Severance and Benefits [Member]
Restructuring and Other Activities [Abstract]
Beginning balance	8		0	0
Charges	26		13	10
Non-cash items	0		0
Cash payments	(21)		(5)	(10)
Ending balance	13		8	0
Facility Exit Costs [Member]
Restructuring and Other Activities [Abstract]
Beginning balance	0		0	0
Charges	2		3	1
Non-cash items	0		0
Cash payments	(2)		(3)	(1)
Ending balance	0		0	0
Non-Cash Charges[Member]
Restructuring and Other Activities [Abstract]
Beginning balance	0		0	0
Charges	5		3	0
Non-cash items	(5)		(3)
Cash payments	0		0	0
Ending balance	0		0	0
Transaction and Other [Member]
Restructuring and Other Activities [Abstract]
Beginning balance	0		0	4
Charges	56	[1]	11	13
Non-cash items	0		0
Cash payments	(54)		(11)	(17)
Ending balance	$ 2		$ 0	$ 0

[1] Includes $19 million of Transaction related compensation