Subsequent Event - Pro Forma Results (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2026 |
Apr. 30, 2025 |
Jan. 31, 2026 |
Jan. 31, 2025 |
Jan. 31, 2024 |
|
| Subsequent Events [Abstract] | ||||||
| Net income (loss) attributable to CrowdStrike | $ 27,774 | $ (104,264) | $ (162,502) | $ (15,241) | $ 72,181 | |
| Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stock equivalents, basic (in shares) | 501,434 | 1,014,928,000 | 993,728,000 | 1,002,304,000 | 979,000,000 | 954,548,000 |
| Dilutive effect of common stock equivalents (in shares) | $ 16,596,000 | $ 0 | $ 0 | $ 0 | $ 19,992,000 | |
| Weighted-average shares used in computing net income (loss) per share attributable to CrowdStrike common stockholders, dilutive (in shares) | 1,031,524,000 | 993,728,000 | 1,002,304,000 | 979,000,000 | 974,540,000 | |
| Basic (in dollars per share) | $ 0.03 | $ (0.10) | $ (0.16) | $ (0.02) | $ 0.08 | |
| Diluted (in dollars per share) | $ 0.03 | $ (0.10) | $ (0.16) | $ (0.02) | $ 0.07 | |