v3.26.3
FT Vest U.S. Equity Equal Weight Buffer ETF - June Annual Total Returns
12 Months Ended
Dec. 31, 2025
FT Vest U.S. Equity Equal Weight Buffer ETF - June | FT Vest U.S. Equity Equal Weight Buffer ETF - June  
Prospectus [Line Items]  
Annual Return [Percent] 7.72%