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Income Taxes - Additional Information (Details) - Federal Income Tax - USD ($) $ in Millions	3 Months Ended
	Jul. 31, 2024	Apr. 30, 2024
Operating Loss Carryforwards [Line Items]
Cumulative net operating loss	$ 56	$ 54
Net operating loss carry-forward expiration year	2028

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Net Operating Loss Carry-forward, Expiration Year

+ References

No definition available.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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