Subsequent Events	9 Months Ended
Oct. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsIn November 2021, certain non-marketable equity security investees of the Company raised additional funding in orderly transactions. As a result of these observable transactions, and absent any impairment or further adjustments under the Measurement Alternative that may arise, the Company expects to recognize aggregate non-cash gains of approximately $20 million on these investees’ non-marketable equity securities during the three months ended January 31, 2022.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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