Stockholders' Equity - Summary of Activities Related to Dividends on Common Stock (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024	Jan. 27, 2023
Dividends, Common Stock [Abstract]
Dividends per share declared	$ 0.5	$ 0.5	$ 1.5	$ 1.5
Dividend payments			$ 312	$ 326
Additional Paid-in Capital
Dividends, Common Stock [Abstract]
Dividend payments			171	106
Retained Earnings
Dividends, Common Stock [Abstract]
Dividend payments			$ 141	$ 220