Revenue, Deferred Revenue and Remaining Performance Obligations - Narrative (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Jan. 31, 2022 |
Jan. 31, 2021 |
|
| Disaggregation of Revenue [Line Items] | ||
| Revenue recognized, contract liabilities | $ 696,700,000 | $ 410,700,000 |
| Commission amortization period | 4 years | |
| Professional service contract amortization period | 6 months | |
| Impairment loss | $ 0 | |
| Minimum | ||
| Disaggregation of Revenue [Line Items] | ||
| Payment terms | 30 days | |
| Subscription term | 1 year | |
| Maximum | ||
| Disaggregation of Revenue [Line Items] | ||
| Payment terms | 60 days | |
| Subscription term | 3 years | |