Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 1,546,793	$ 1,144,969	$ 2,937,744	$ 2,187,043
United States
Disaggregation of Revenue [Line Items]
Revenue	1,152,224	861,469	2,195,743	1,645,976
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	40,953	30,570	76,962	60,231
EMEA
Disaggregation of Revenue [Line Items]
Revenue	258,747	185,315	489,364	354,124
Asia-Pacific and Japan
Disaggregation of Revenue [Line Items]
Revenue	$ 94,869	$ 67,615	$ 175,675	$ 126,712

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.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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