Investments - Narrative (Details)	Jan. 31, 2024
Maximum
Debt Securities, Available-for-sale [Line Items]
Securities stated effective maturities (in years)	1 year

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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