Equity - Share-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	$ 356,000	$ 299,722	$ 687,936	$ 564,231
Capitalized stock-based compensation	7,846	12,903	17,141	24,622
Total stock-based compensation	363,846	312,625	705,077	588,853
Cost of revenue
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	34,815	32,302	67,223	62,764
Sales and marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	80,676	78,838	154,083	151,133
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	204,917	163,005	399,589	299,422
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	$ 35,592	$ 25,577	$ 67,041	$ 50,912