Net Income per Share - Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jul. 30, 2021	Jul. 31, 2020	Jul. 31, 2020
Net income per share:
Net income	$ 202	$ 77	$ 77
Shares used in basic computation	223	221
Dilutive impact of employee equity award plans	6	1
Shares used in diluted computation	229	222
Basic	$ 0.91	$ 0.35
Diluted	$ 0.88	$ 0.35