Equity - Schedule of Stock Reserved For Future Issuance (Details) - shares shares in Thousands	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Class of Stock [Line Items]
Options issued and outstanding (in shares)	12,686	17,146	16,043	16,253
Shares available for issuance under Equity Incentive Plans (in shares)	21,483	18,248	4,796
Class A and Class B common stock
Class of Stock [Line Items]
Options issued and outstanding (in shares)	12,686	17,146
Shares available for issuance under Equity Incentive Plans (in shares)	21,483	18,248
Shares reserved for issuance to charitable organizations (in shares)	1,636	1,636
Common stock reserved for future issuance (in shares)	48,444	43,581
RSUs and PSUs | Class A and Class B common stock
Class of Stock [Line Items]
Share-based compensation awards other than options (in shares)	8,336	3,280
2021 ESPP | Class A and Class B common stock
Class of Stock [Line Items]
Share-based compensation awards other than options (in shares)	4,303	3,271