First Trust Dow 30 Equal Weight ETF Investment Objectives and Goals - First Trust Dow 30 Equal Weight ETF |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust Dow 30 Equal Weight ETF (EDOW)</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 Dow 30 Equal Weight ETF (the “Fund”) seeks investment results that correspond generally to the price and yield (before the Fund’s fees and expenses) of an index called the Dow Jones Industrial Average® Equal Weight Index (the “Index”). |