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Acquisitions - Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Jul. 27, 2024 | Jul. 29, 2023 | Jul. 30, 2022
All Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Compensation expense related to acquisitions | $ 618 | $ 222 | $ 271

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