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Equity Compensation - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2022 USD ($) tradingDay period shares | Apr. 30, 2021 USD ($) | Jan. 31, 2022 USD ($) tradingDay shares | Jan. 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Market capitalization | $ | $ 2,000 |  |  |
Award vesting period | 1 year |  |  |
Fair value of common stock issued related to business combination | $ | $ 10 | $ 3 |  |
Consecutive trading days | tradingDay | 90 |  | 90 |
Allocated share-based compensation expense | $ | $ 155 | 116 |  |
Share-based compensation arrangement by share-based payment award, plan modification, description and terms | 24 months |  |  |
Share-based compensation arrangement by share-based payment award, plan modification | $ | $ 18 |  |  |
Expected dividend yield (in percentage) | 0.00% |  |  |
1998 Employee Qualified Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of compensation that eligible employees can use to purchase common stock, maximum | 15.00% |  |  |
Percentage of fair market value eligible employees can purchase common stock, minimum | 85.00% |  |  |
Number of exercise period | period | 4 |  |  |
Term of exercise period | 6 months |  |  |
Term of offering period | 24 months |  |  |
Upchain |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Fair value of common stock issued related to business combination | $ |  |  | $ 13 |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  |  | 58,000 |
Fiscal 2022 Acquisitions |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Fair value of common stock issued related to business combination | $ |  |  | $ 11 |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  |  | 48,000 |
Fiscal 2023 Acquisitions |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Fair value of common stock issued related to business combination | $ | $ 5 |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares | 22,000 |  |  |
Restricted Stock Units (RSUs) and Performance Shares |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards vested in period, fair value | $ | $ 214 | 149 |  |
Awards granted in period (in shares) | shares | 2,738,000 |  |  |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares | 2,392,000 |  |  |
Share based compensation expense | $ | $ 117 | 90 |  |
Performance Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares | 231,000 |  |  |
Share based compensation expense | $ | $ 15 | $ 12 |  |
Award vesting period | 3 years |  |  |
Expected dividend yield (in percentage) | 0.00% | 0.00% |  |
Performance Stock Units | Certain Employees |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares | 115,000 |  |  |
Performance Stock Units | Share-based Compensation Award, Tranche One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage (in percentage) | 33.33% |  |  |
Performance Stock Units | Share-based Compensation Award, Tranche Two |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage (in percentage) | 33.33% |  |  |
Performance Stock Units | Share-based Compensation Award, Tranche Three |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage (in percentage) | 33.33% |  |  |
Common stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Value of shares authorized | $ |  |  | $ 5 |
Shares issued in period (in shares) | shares |  |  | 8,300 |
Value of shares issued | $ |  |  | $ 3 |
Shares of common stock reserved for issuance (in shares) | shares |  |  | 11,000 |
Allocated share-based compensation expense | $ | $ 10 | $ 3 |  |
Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  |  | 2 years |
Restricted Stock | Spacemaker |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  |  |  | 3 years
Shares issued in period (in shares) | shares |  |  |  | 73,632
Restricted Stock | Innovyze, Inc. |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued in period (in shares) | shares |  |  | 9,277 |
Restricted Stock | Fiscal 2022 Acquisitions |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued in period (in shares) | shares |  |  | 12,782 |
Restricted Stock | Fiscal 2023 Acquisitions |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period | 2 years |  |  |
Shares issued in period (in shares) | shares | 40,289 |  |  |

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