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Acquisitions - Summary of Allocation of Total Purchase Consideration (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 18, 2024 | Jul. 27, 2024 | Jul. 29, 2023 | Jul. 30, 2022
Business Acquisition [Line Items] |  |  |  |
Total purchase consideration |  |  | $ 315 | $ 364
Net Tangible Assets Acquired (Liabilities Assumed) |  |  | (18) |
Purchased Intangible Assets |  | $ 11,050 | 150 |
Goodwill |  |  | $ 183 |
Splunk |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid for outstanding Splunk common stock | $ 26,950 |  |  |
Fair value of converted Splunk equity awards attributable to pre-acquisition services | 137 |  |  |
Settlement of pre-existing relationships | 3 |  |  |
Total purchase consideration | $ 27,090 |  |  |
Purchased Intangible Assets |  | 10,550 |  |
Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total purchase consideration |  | 1,370 |  |
Net Tangible Assets Acquired (Liabilities Assumed) |  | (47) |  |
Purchased Intangible Assets |  | 500 |  |
Goodwill |  | $ 917 |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-7 + Details
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