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Balance Sheet and Other Details - Inventories (Details) - USD ($) $ in Millions | Oct. 30, 2021 | Jul. 31, 2021
--- | --- | ---
Inventories |  |
Raw materials | $ 1,090 | $ 801
Work in process | 41 | 54
Finished goods: |  |
Deferred cost of sales | 85 | 97
Manufactured finished goods | 465 | 422
Total finished goods | 550 | 519
Service-related spares | 142 | 174
Demonstration systems | 9 | 11
Total | $ 1,832 | $ 1,559

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