Shareholder Report, Average Annual Return (Details) 1014067_Putnam ESG Core Bond ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 39 Months Ended |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2026 |
|
| Putnam ESG Core Bond ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Putnam ESG Core Bond ETF (NAV) | |
| Average Annual Return, Percent | 4.36% | 3.46% |
| Bloomberg U.S. Aggregate Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | |
| Average Annual Return, Percent | 4.06% | 3.15% |