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FT Energy Income Partners Enhanced Income ETF Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended 171 Months Ended 223 Months Ended
Nov. 30, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P Global 1200 Energy Index (reflects no deduction for fees, expenses or taxes)[Member]            
Prospectus [Line Items]            
Average Annual Return, Percent   14.79% 21.01% 9.14% 5.91%  
S&P 500® Index (reflects no deduction for fees, expenses or taxes)[Member]            
Prospectus [Line Items]            
Average Annual Return, Percent   17.88% 14.42% 14.82% 15.27% 10.56%
FT Energy Income Partners Enhanced Income ETF            
Prospectus [Line Items]            
Average Annual Return, Percent [1]   9.44% 17.71% 9.80% 9.16%  
Performance Inception Date [1] Sep. 27, 2011          
FT Energy Income Partners Enhanced Income ETF | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent [1]   6.13% 14.38% 6.47% 5.71%  
FT Energy Income Partners Enhanced Income ETF | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent [1]   5.53% 12.53% 6.02% 5.58%  
[1] Total return is based on the combination of reinvested dividend, capital gain, and return of capital distributions, if any, at prices obtained by the Predecessor Fund’s Dividend Reinvestment Plan and changes in NAV per share for NAV returns and changes in Common Share Price for market value returns. Total returns do not reflect sales load and are not annualized for periods of less than one year. Past performance is not indicative of future results.