First Trust Nasdaq Artificial Intelligence and Robotics ETF Annual Total Returns |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| First Trust Nasdaq Artificial Intelligence and Robotics ETF | First Trust Nasdaq Artificial Intelligence and Robotics ETF | |||||||
| Prospectus [Line Items] | |||||||
| Annual Return [Percent] | 15.16% | (0.41%) | 27.08% | (34.56%) | 9.95% | 46.07% | 33.78% |