Stock-Based Compensation - Restricted Stock Units (Details) - Restricted Stock Units (RSUs)	6 Months Ended
	Jul. 31, 2023 $ / shares shares
Number of Shares
Outstanding, beginning of period (in shares) | shares	14,409,166
Granted (in shares) | shares	17,082,796
Released (in shares) | shares	(2,491,451)
Forfeited (in shares) | shares	(1,955,209)
Outstanding, end of period (in shares) | shares	27,045,302
Weighted-Average Grant Date Fair Value
Outstanding, beginning of period (in USD per share) | $ / shares	$ 27.37
Granted (in USD per share) | $ / shares	16.40
Released (in USD per share) | $ / shares	28.34
Forfeited (in USD per share) | $ / shares	22.58
Outstanding, end of period (in USD per share) | $ / shares	$ 20.70