First Trust Indxx Aerospace and Defense ETF Investment Objectives and Goals - First Trust Indxx Aerospace and Defense ETF |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust Indxx Aerospace & Defense ETF (MISL)</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 First Trust Indxx Aerospace & Defense ETF (the "Fund") seeks investment results that correspond generally to the price and yield (before the Fund's fees and expenses) of an equity index called the Indxx US Aerospace & Defense Index (the “Index”). |