Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 27, 2024	Apr. 29, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	$ 297	$ 70	$ 430	$ 212
Total
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	551	230	1,050	688
Cost of sales
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	254	160	620	476
Operating expenses
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	$ 297	$ 70	$ 430	$ 212