Stockholders' Equity - Summary of Activities Related to Dividends on Common Stock (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020
Dividends, Common Stock [Abstract]
Dividends per share declared	$ 2.00	$ 1.92	$ 1.92
Dividend payments	$ 446	$ 427	$ 439
Additional Paid-in Capital
Dividends, Common Stock [Abstract]
Dividend payments	0	30	400
Retained Earnings
Dividends, Common Stock [Abstract]
Dividend payments	$ 446	$ 397	$ 39