Revenue, Deferred Revenue and Remaining Performance Obligations - Schedule of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
Oct. 31, 2025 |
Oct. 31, 2024 |
Jan. 31, 2025 |
|
| Capitalized Contract Cost [Roll Forward] | |||||
| Beginning balance | $ 889,631 | $ 592,785 | $ 847,950 | $ 582,303 | |
| Capitalization of contract acquisition costs | 180,791 | 203,079 | 432,413 | 361,412 | |
| Amortization of deferred contract acquisition costs | (115,493) | (79,862) | (325,434) | (227,713) | |
| Ending balance | 954,929 | 716,002 | 954,929 | 716,002 | |
| Deferred contract acquisition costs, current | 398,708 | 294,229 | 398,708 | 294,229 | $ 347,042 |
| Deferred contract acquisition costs, noncurrent | 556,221 | 421,773 | 556,221 | 421,773 | 500,908 |
| Total deferred contract acquisition costs | $ 954,929 | $ 716,002 | $ 954,929 | $ 716,002 | $ 847,950 |