Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Aug. 13, 2025	Jul. 26, 2025	Jul. 27, 2024	Jul. 29, 2023
Class of Stock [Line Items]
Remaining authorized repurchase amount		$ 14,200
Cash dividends declared, per common share (in dollars per share)		$ 1.62	$ 1.58	$ 1.54
Subsequent event
Class of Stock [Line Items]
Cash dividends declared, per common share (in dollars per share)	$ 0.41
Stock repurchase program
Class of Stock [Line Items]
Stock repurchases pending settlement		$ 20	$ 25	$ 48