v3.26.3
Shareholder Report, Average Annual Return (Details) 74300185500_Putnam Focused U.S. Research ETF_Class C_TSR Annual {Class C}
 12 Months Ended 60 Months Ended 120 Months Ended
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
Class C      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class C (with sales charge)    
Average Annual Return, Percent 18.30% 12.73% 13.48%
Without Sales Load [Member] | Class C      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class C    
Average Annual Return, Percent 19.30% 12.73% 13.48%
Russell 3000 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Russell 3000 Index    
Average Annual Return, Percent 20.10% 11.80% 14.84%
Putnam Focused Equity Linked Benchmark [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Putnam Focused Equity Linked Benchmark    
Average Annual Return, Percent [1] 20.38% 12.79% 14.32%
S&P 500 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name S&P 500 Index    
Average Annual Return, Percent 20.38% 12.79% 15.37%
[1]
† The Putnam Focused Equity Linked Benchmark represents the performance of the MSCI World Industrials Index-NR through June 23, 2019, and the performance of the S&P 500 Index thereafter.