Net Loss per Share - Narrative (Details) - shares		3 Months Ended		9 Months Ended
		Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Class of Stock [Line Items]
Shares outstanding, basic (in shares)	[1]	339,648,000	331,761,000	335,875,000	333,136,000
Shares outstanding, diluted (in shares)	[1]	339,648,000	331,761,000	335,875,000	333,136,000
Class B Common Stock
Class of Stock [Line Items]
Shares outstanding, basic (in shares)		0	0	0	0
Shares outstanding, diluted (in shares)		0	0	0	0

[1] On July 3, 2025, all authorized shares of the Company’s Class B common stock were eliminated and the Company’s Class A common stock was renamed to “common stock”, pursuant to the terms of the Company’s amended and restated certificate of incorporation. Unless otherwise noted, all references herein to the Company’s common stock refer to the Class A common stock prior to the effectiveness of the certificate. See Note 12, “Equity,” and Note 14, “Net Loss per Share,” for further details.