Revenue, Deferred Revenue and Remaining Performance Obligations - Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 3,054,099	$ 2,355,113
Additions to deferred revenue	936,316	741,258
Recognition of deferred revenue	(921,036)	(692,580)
Ending balance	$ 3,069,379	$ 2,403,791

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
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479837/606-10-45-2

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Period Type:	instant