Revenue, Deferred Revenue and Remaining Performance Obligations - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Contract with Customer, Liability [Line Items]
Revenue included in the contract liability balance	$ 880,500,000	$ 685,900,000	$ 1,945,400,000	$ 1,465,500,000
Transaction price allocated to remaining performance obligations	5,400,000,000		$ 5,400,000,000
Commission amortization period			4 years
Professional services contract amortization			5 months
Impairment loss	$ 0	$ 0	$ 0	$ 0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-11-01
Contract with Customer, Liability [Line Items]
Remaining performance obligation, percentage	57.00%		57.00%
Subscription term	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-11-01
Contract with Customer, Liability [Line Items]
Remaining performance obligation, percentage	39.00%		39.00%
Minimum
Contract with Customer, Liability [Line Items]
Payment terms			30 days
Subscription term			1 year
Minimum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-11-01
Contract with Customer, Liability [Line Items]
Subscription term	13 months		13 months
Maximum
Contract with Customer, Liability [Line Items]
Payment terms			60 days
Subscription term			3 years
Maximum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-11-01
Contract with Customer, Liability [Line Items]
Subscription term	36 months		36 months