Stockholders' Equity - Schedule of Employee Stock Purchase Plan (ESPP) (Detail) - USD ($) shares in Millions, $ in Millions	6 Months Ended
Oct. 29, 2021	Oct. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under the ESPP	1	1
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from issuance of shares	$ 52	$ 47

Number of shares issued during the period as a result of an employee stock purchase plan.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration