Investment Objectives and Goals - FT Vest Laddered Max Buffer ETF	Jun. 13, 2025
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">FT Vest Laddered Max Buffer ETF (BUFH)</span>
Objective [Heading]	<span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block]	The investment objective of the FT Vest Laddered Max Buffer ETF (the “Fund”) is to seek to provide investors with capital appreciation.