Segment Information and Geographic Data - Long-Lived Assets for Countries that Individually Accounted for More than 10% of the Total (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 49,834	$ 45,680
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	40,274	35,664
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,617	4,797
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 5,943	$ 5,219