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v3.25.1

Stockholders' Equity - Narrative (Details) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2025 USD ($) plan $ / shares shares | Jan. 31, 2024 USD ($) $ / shares shares | Jan. 31, 2023 USD ($) $ / shares shares | Feb. 01, 2025 shares | May 31, 2024 USD ($) | Sep. 30, 2023 USD ($) | Mar. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of stock-based compensation plans | plan | 2 |  |  |  |  |  |
Shares granted in period (in shares) | shares | 0 | 0 | 0 |  |  |  |
Unrecognized compensation cost, options | $ 0 |  |  |  |  |  |
Intrinsic value of options exercised | 73,600,000 | $ 23,600,000 | $ 48,100,000 |  |  |  |
Employee stock purchase plan, compensation expense | $ 610,335,000 | $ 616,847,000 | $ 538,726,000 |  |  |  |
Reserved for future issuance (in shares) | shares | 78,557,000 | 74,641,000 |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  | $ 200,000,000.0
Stock repurchase program, additional authorized amount |  |  |  |  | $ 1,000,000,000.0 | $ 300,000,000.0 |
2003 Stock Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Awards outstanding (in shares) | shares | 0 |  |  |  |  |  |
2018 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Annual increase in shares reserved, percentage of total shares | 5.00% |  |  |  |  |  |
2018 Plan | Subsequent Event |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Increase in shares reserved for issuance (in shares) | shares |  |  |  | 10,100,000 |  |  |
RSUs |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Awards outstanding (in shares) | shares | 27,268,000 | 26,700,000 |  |  |  |  |
Weighted average grant date fair value of RSUs (in usd per share) | $ / shares | $ 60.89 | $ 54.15 | $ 66.50 |  |  |  |
Grant date fair value | $ 627,900,000 | $ 631,800,000 | $ 461,800,000 |  |  |  |
Unrecognized compensation cost, RSUs | $ 1,200,000,000 |  |  |  |  |  |
Unrecognized compensation cost, remaining weighted-average period for recognition | 2 years 8 months 12 days |  |  |  |  |  |
Reserved for future issuance (in shares) | shares | 27,268,000 | 26,965,000 |  |  |  |  |
RSUs | Market Based and Performance Based Vesting Conditions |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Grant date fair value | $ 147,100,000 |  |  |  |  |  |
Performance vesting percentage | 100.00% |  |  |  |  |  |
RSUs | 2018 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period | 4 years |  |  |  |  |  |
RSUs | 2018 Plan | Alternate vesting option |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period | 1 year |  |  |  |  |  |
Annual vesting percentage | 25.00% |  |  |  |  |  |
ESPP |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Annual increase in shares reserved, percentage of total shares | 1.00% |  |  |  |  |  |
Increase in shares reserved for issuance (in shares) | shares | 3,800,000 |  |  |  |  |  |
Employee contribution, maximum percentage of earnings | 15.00% |  |  |  |  |  |
Percent of purchase price of fair value of common stock | 85.00% |  |  |  |  |  |
ESPP offering period | 6 months |  |  |  |  |  |
Employee stock purchase plan, compensation expense | $ 13,400,000 | $ 16,000,000.0 | $ 22,200,000 |  |  |  |
Reserved for future issuance (in shares) | shares | 11,819,000 | 10,628,000 |  |  |  |  |

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