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Other Assets - Narrative (Details) - USD ($) $ in Millions | Oct. 31, 2021 | Jan. 31, 2021
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Loans receivable | $ 25 | $ 13

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- Definition Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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