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Acquisitions - Purchased Intangible Assets Acquired (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 18, 2024 | Jul. 27, 2024 | Jul. 29, 2023
Technology |  |  |
Business Acquisition [Line Items] |  |  |
Weighted- Average Useful Life (in Years) |  |  | 3 years 8 months 12 days
Splunk |  |  |
Business Acquisition [Line Items] |  |  |
Amount | $ 10,550 |  |
Splunk | Customer related |  |  |
Business Acquisition [Line Items] |  |  |
Weighted- Average Useful Life (in Years) | 9 years 1 month 6 days |  |
Amount | $ 6,140 |  |
Splunk | Technology |  |  |
Business Acquisition [Line Items] |  |  |
Weighted- Average Useful Life (in Years) | 6 years | 6 years |
Amount | $ 3,900 |  |
Splunk | Trade name |  |  |
Business Acquisition [Line Items] |  |  |
Weighted- Average Useful Life (in Years) | 12 years | 12 years |
Amount | $ 510 |  |

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