Segment Information and Geographic Data - Long-Lived Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 24, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 43,715	$ 42,117
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	33,276	31,119
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	5,778	7,260
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 4,661	$ 3,738