v3.26.1
First Trust Dow 30 Equal Weight ETF Annual Fund Operating Expenses - First Trust Dow 30 Equal Weight ETF - First Trust Dow 30 Equal Weight ETF
Dec. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.50%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.50% [1]
[1] Expenses have been restated to reflect the current fiscal year.