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Credit Losses - Additional Information (Details) - investment	6 Months Ended
	Oct. 31, 2022	Apr. 30, 2022
Commercial paper
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items]
Debt securities, available-for-sale, unrealized loss position, number of investments	16	27
Corporate notes/bonds
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items]
Debt securities, available-for-sale, unrealized loss position, number of investments	25	23
Corporate notes/bonds | Maximum
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items]
Debt instrument term	2 years
U.S. Treasury and Agency Securities
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items]
Debt securities, available-for-sale, unrealized loss position, number of investments	1	1

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- Definition

Fair value and unrealized losses on available for sale debt securities.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455

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