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Balance Sheet and Other Details - Deferred Revenue (Details) - USD ($) $ in Millions | Jan. 28, 2023 | Jul. 30, 2022
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Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | $ 23,927 | $ 23,264
Current | 13,109 | 12,784
Noncurrent | 10,818 | 10,480
Product |  |
Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | 10,679 | 10,427
Service |  |
Disaggregation of Revenue [Line Items] |  |
Total deferred revenue | $ 13,248 | $ 12,837

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