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First Trust S&P 500 Diversified Free Cash Flow ETF Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
First Trust S&P 500 Diversified Free Cash Flow ETF | First Trust S&P 500 Diversified Free Cash Flow ETF    
Prospectus [Line Items]    
Annual Return [Percent] 16.62% 11.28%