Revenue, Deferred Revenue and Remaining Performance Obligations - Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2023	Apr. 30, 2022
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 2,355,113	$ 1,529,321
Additions to deferred revenue	741,258	651,110
Recognition of deferred revenue	(692,580)	(487,834)
Ending balance	$ 2,403,791	$ 1,692,597

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant