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Balance Sheet and Other Details - Inventories (Details) - USD ($)
$ in Millions
Jul. 30, 2022
Jul. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 1,601 $ 801
Work in process 150 54
Finished goods:    
Deferred cost of sales 86 97
Manufactured finished goods 631 422
Total finished goods 717 519
Service-related spares 90 174
Demonstration systems 10 11
Total $ 2,568 $ 1,559