Composition of Certain Financial Statement Items Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 24, 2023
Property, Plant and Equipment [Abstract]
Land	$ 168	$ 169
Buildings and improvements	1,915	1,888
Computer equipment and software	2,165	2,022
Machinery and equipment	9,360	8,647
Furniture and office equipment	148	139
Leasehold improvements	594	550
Construction in progress	154	126
Property, plant and equipment, gross	14,504	13,541
Less accumulated depreciation and amortization	(9,814)	(8,876)
Property, plant and equipment, net	4,690	4,665
Depreciation and amortization expense	$ 1,300	$ 1,400	$ 1,400