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Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 26, 2024 | Oct. 28, 2023
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | $ 265 | $ 67
Total |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | 590 | 253
Cost of sales |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | 325 | 186
Operating expenses |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | $ 265 | $ 67

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