Shareholder Report, Average Annual Return (Details) 74300185500_Putnam Focused U.S. Research ETF_Class Y_TSR Annual {Class Y}

12 Months Ended

60 Months Ended

120 Months Ended

Aug. 31, 2026

Aug. 31, 2026

Aug. 31, 2026

Class Y

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Class Y

Average Annual Return, Percent

20.48%

13.86%

14.45%

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%

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%

Putnam Focused Equity Linked Benchmark [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

^[1]

Putnam Focused Equity Linked Benchmark†

Average Annual Return, Percent

^[1]

20.38%

12.79%

14.32%

[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.