Stock-Based Compensation - Narrative (Details) $ in Millions |
6 Months Ended |
|---|---|
|
Jul. 31, 2022
USD ($)
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unearned stock-based compensation expense | $ 7,610 |
| RSUs, PSUs, and Market-based PSUs | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Estimated weighted average amortization period | 2 years 9 months 18 days |
| Employee Stock Purchase Plan | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Estimated weighted average amortization period | 1 year |