Segment Information and Major Customers - Long-lived Assets by Geographic Areas (Details) - USD ($) $ in Millions	Jul. 26, 2025	Jul. 27, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 3,414	$ 3,156
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	2,370	2,253
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 1,044	$ 903