First Trust NASDAQ-100-Technology Sector Index Fund 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 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| First Trust NASDAQ-100-Technology Sector Index Fund | First Trust NASDAQ-100-Technology Sector Index Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 22.44% | 7.12% | 66.89% | (39.81%) | 26.94% | 38.82% | 48.36% | (4.70%) | 37.86% | 25.27% |