v3.25.4
FT Energy Income Partners Strategy ETF Expense Example, No Redemption - FT Energy Income Partners Strategy ETF - FT Energy Income Partners Strategy ETF
Oct. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 97
Expense Example, No Redemption, 3 Years 303
Expense Example, No Redemption, 5 Years 525
Expense Example, No Redemption, 10 Years $ 1,166