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 - May | FT Vest U.S. Equity Deep Buffer ETF - May | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 12.99% | 15.37% | (10.16%) | 6.19% |