Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Aug. 16, 2023	Jul. 29, 2023	Jul. 30, 2022	Jul. 31, 2021
Class of Stock [Line Items]
Remaining authorized repurchase amount		$ 10,900
Cash dividends declared, per common share (in dollars per share)		$ 1.54	$ 1.50	$ 1.46
Subsequent event
Class of Stock [Line Items]
Cash dividends declared, per common share (in dollars per share)	$ 0.39
Stock repurchase program
Class of Stock [Line Items]
Stock repurchases pending settlement		$ 48	$ 70	$ 25