Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| FT Vest U.S. Equity Deep Buffer ETF - June | FT Vest U.S. Equity Deep Buffer ETF - June | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 13.85% | 17.54% | (6.33%) | 6.43% |