Stockholders’ Deficit - Restricted Stock Units Narrative (Details) - Restricted stock units - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration period	7 years
Vested in period, fair value	$ 74.8	$ 395.7
Cost not yet recognized	$ 673.4
Cost not yet recognized, period for recognition	1 year 10 months 24 days