Acquisitions and Divestitures - Summary of Allocation of Total Purchase Consideration (Details) $ in Millions	12 Months Ended
	Jul. 29, 2023 USD ($) acquisition	Jul. 30, 2022 USD ($) acquisition	Jul. 31, 2021 USD ($) acquisition
Business Combination and Asset Acquisition [Abstract]
Number of business combinations (acquisition) | acquisition	5	3	13
Purchase Consideration	$ 315	$ 364	$ 7,500
Net Tangible Assets Acquired (Liabilities Assumed)	(18)	12
Purchased Intangible Assets	150	20
Goodwill	$ 183	$ 332