Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	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