Financial Instruments - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Apr. 29, 2022	Apr. 30, 2021
Schedule of Investments [Line Items]
Proceeds from maturities of investments classified as held to maturity	$ 911
Equity Investments
Schedule of Investments [Line Items]
Net unrealized gains (losses) on equity and other investments still held	$ 8	$ 63

The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration