v3.25.2
Performance Management - Putnam Focused Large Cap Growth ETF
Feb. 28, 2025
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time. Please remember that past performance is not necessarily an indication of future results. Monthly performance figures for the fund are available at www.franklintempleton.com.
Performance Past Does Not Indicate Future [Text] Please remember that past performance is not necessarily an indication of future results.
Performance Information Illustrates Variability of Returns [Text] The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time.
Bar Chart [Heading] Annual total returns
Bar Chart Closing [Text Block]
Best Quarter:
   Q4 2023    15.77% 
Worst Quarter:
   Q2 2022   
-22.26% 
As of June 30, 2025, the fund’s year-to-date return was 5.95%.
Performance Table Heading Average annual total returns (for periods ended 12/31/24)
Performance Table Narrative
After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. These after-tax returns do not apply if you hold your fund shares through a 401(k) plan, an IRA, or another tax-advantaged arrangement.
Frank Russell Company is the source and owner of the trademarks, service marks and copyrights related to the Russell Indexes. Russell ® is a trademark of Frank Russell Company.
Performance Table Uses Highest Federal Rate After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. These after-tax returns do not apply if you hold your fund shares through a 401(k) plan, an IRA, or another tax-advantaged arrangement.
Performance Availability Website Address [Text] www.franklintempleton.com
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Prospectus [Line Items]  
Year to Date Return, Label [Optional Text] year-to-date return
Bar Chart, Year to Date Return 5.95%
Bar Chart, Year to Date Return, Date Jun. 30, 2025
Highest Quarterly Return, Label [Optional Text] Best Quarter:
Highest Quarterly Return 15.77%
Highest Quarterly Return, Date Dec. 31, 2023
Lowest Quarterly Return, Label [Optional Text] Worst Quarter:
Lowest Quarterly Return (22.26%)
Lowest Quarterly Return, Date Jun. 30, 2022