Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	Feb. 12, 2025	Jan. 25, 2025	Jan. 27, 2024	Jan. 25, 2025	Jan. 27, 2024	Jul. 27, 2024
Class of Stock [Line Items]
Cash dividends declared (in dollars per share)		$ 0.40	$ 0.39	$ 0.80	$ 0.78
Subsequent event
Class of Stock [Line Items]
Authorized repurchased amount	$ 15,000
Remaining authorized repurchase amount	$ 17,000
Cash dividends declared (in dollars per share)	$ 0.41
Stock repurchase program
Class of Stock [Line Items]
Stock repurchases pending settlement		$ 21		$ 21		$ 25