Segment Information and Major Customers - Long-lived Assets by Geographic Areas (Details) - USD ($) $ in Millions	Jul. 29, 2023	Jul. 30, 2022	Jul. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 3,056	$ 3,001	$ 3,433
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	2,113	2,004	2,189
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 943	$ 997	$ 1,244