Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	$ 67	$ 71
Total
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	253	229
Cost of sales
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	186	158
Operating expenses
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangible assets	$ 67	$ 71