Balance Sheet and Other Details - Inventories (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jul. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 1,496	$ 1,601
Work in process	230	150
Finished goods:
Deferred cost of sales	70	86
Manufactured finished goods	1,222	631
Total finished goods	1,292	717
Service-related spares	109	90
Demonstration systems	13	10
Total	$ 3,140	$ 2,568