Revenue, Deferred Revenue and Remaining Performance Obligations - Schedule of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Jan. 31, 2026 |
|
| Capitalized Contract Cost [Roll Forward] | |||||
| Beginning balance | $ 1,097,069 | $ 847,850 | $ 1,103,113 | $ 847,950 | |
| Capitalization of contract acquisition costs | 205,734 | 148,819 | 298,546 | 251,622 | |
| Amortization of deferred contract acquisition costs | (108,196) | (107,038) | (207,052) | (209,941) | |
| Ending balance | 1,194,607 | 889,631 | 1,194,607 | 889,631 | |
| Deferred contract acquisition costs, current | 389,070 | 372,543 | 389,070 | 372,543 | $ 447,455 |
| Deferred contract acquisition costs, noncurrent | 805,537 | 517,088 | 805,537 | 517,088 | 655,658 |
| Total deferred contract acquisition costs | $ 1,194,607 | $ 889,631 | $ 1,194,607 | $ 889,631 | $ 1,103,113 |