v3.26.1
First Trust Bloomberg Inflation Sensitive Equity ETF Expense Example, No Redemption - First Trust Bloomberg Inflation Sensitive Equity ETF - First Trust Bloomberg Inflation Sensitive Equity ETF
Dec. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 61
Expense Example, No Redemption, 3 Years 192
Expense Example, No Redemption, 5 Years 335
Expense Example, No Redemption, 10 Years $ 750