Restructuring and Transaction Activities, Restructuring Accrual Activity (Details) $ in Millions	9 Months Ended
	Jun. 29, 2024 USD ($)
Restructuring Accrual [Roll Forward]
Beginning balance	$ 11
Charges	133
Non-cash items	(65)
Cash	(63)
Ending balance	16
Employee Severance and Benefits [Member]
Restructuring Accrual [Roll Forward]
Beginning balance	10
Charges	22
Non-cash items	0
Cash	(16)
Ending balance	16
Facility Exit Costs [Member]
Restructuring Accrual [Roll Forward]
Beginning balance	1
Charges	26
Non-cash items	0
Cash	(27)
Ending balance	0
Non-Cash Impairment Charges [Member]
Restructuring Accrual [Roll Forward]
Beginning balance	0
Charges	8
Non-cash items	(8)
Cash	0
Ending balance	0
Transaction Activities [Member]
Restructuring Accrual [Roll Forward]
Beginning balance	0
Charges	77
Non-cash items	(57)
Cash	(20)
Ending balance	$ 0