Revenue, Deferred Revenue and Remaining Performance Obligations - Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 3,093,197	$ 2,507,642	$ 3,054,099	$ 2,355,113
Additions to deferred revenue	1,113,499	821,488	3,037,505	2,398,223
Recognition of deferred revenue	(1,010,178)	(786,014)	(2,895,086)	(2,210,220)
Ending balance	$ 3,196,518	$ 2,543,116	$ 3,196,518	$ 2,543,116