Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		257 Months Ended
	Oct. 25, 2024	Oct. 27, 2023	Oct. 25, 2024	Oct. 27, 2023	Oct. 25, 2024
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased					377,000,000
Average price per share					$ 43.25
Stock repurchases allocated	$ 300	$ 300	$ 700	$ 700
Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	288	$ 233	$ 672	$ 609
Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased			5,800,000
Average price per share			$ 121.58
Remaining authorization at end of period	$ 802		$ 802		$ 802
Stock Repurchase Program | Additional Paid-in Capital
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated			28
Stock Repurchase Program | Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated			$ 672