v3.26.1
Annual Fund Operating Expenses - First Trust Active Factor Large Cap Growth ETF fka MMLG - First Trust Active Factor Large Cap Growth ETF
Aug. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.65%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.65%