Balance Sheet and Other Details - Inventories (Details) - USD ($) $ in Millions	Apr. 29, 2023	Jul. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 1,502	$ 1,601
Work in process	310	150
Finished goods:
Deferred cost of sales	81	86
Manufactured finished goods	1,402	631
Total finished goods	1,483	717
Service-related spares	164	90
Demonstration systems	15	10
Total	$ 3,474	$ 2,568