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Balance Sheet and Other Details - Deferred Revenue (Details) - USD ($) $ in Millions | Oct. 29, 2022 | Jul. 30, 2022
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Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | $ 23,019 | $ 23,264
Current | 12,578 | 12,784
Noncurrent | 10,441 | 10,480
Product |  |
Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | 10,404 | 10,427
Service |  |
Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | $ 12,615 | $ 12,837

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