Equity Incentive Plans and Stock-Based Compensation - Restricted Stock Unit Activity (Details) - RSUs shares in Thousands	12 Months Ended
	Jan. 31, 2024 $ / shares shares
RSUs
Unvested, beginning balance (in shares) | shares	36,785
Granted (in shares) | shares	19,274
Vested (in shares) | shares	(17,556)
Forfeited (in shares) | shares	(7,231)
Unvested, ending balance (in shares) | shares	31,272
Weighted-Average Grant Date Fair Value Per Share
Unvested, beginning balance (in dollars per share) | $ / shares	$ 22.48
Granted (in dollars per share) | $ / shares	16.95
Vested (in dollars per share) | $ / shares	20.64
Forfeited (in dollars per share) | $ / shares	23.39
Unvested, ending balance (in dollars per share) | $ / shares	$ 19.89