Geographical Information - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 2,919	$ 2,610	$ 2,263
United States
Segment Reporting Information [Line Items]
Total revenue	2,321	2,062	1,783
International
Segment Reporting Information [Line Items]
Total revenue	$ 598	$ 548	$ 480

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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+ Details