Stockholders' Equity - Schedule of Employee Stock Purchase Plan (ESPP) (Detail) - USD ($) shares in Millions, $ in Millions	9 Months Ended
Jan. 28, 2022	Jan. 29, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under the ESPP	3	2
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from issuance of shares	$ 104	$ 90

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