Shareholder Report, Line Graph (Details) 1014067_Putnam ESG Core Bond ETF_Single Class_TSR Annual {Single Class} - USD ($) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Oct. 31, 2025 |
Apr. 30, 2025 |
Oct. 31, 2024 |
Apr. 30, 2024 |
Oct. 31, 2023 |
Apr. 30, 2023 |
Jan. 19, 2023 |
Apr. 30, 2026 |
|
| Putnam ESG Core Bond ETF | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Putnam ESG Core Bond ETF (NAV) | |||||||
| Accumulated Value | $ 11,099 | $ 10,712 | $ 10,448 | $ 9,902 | $ 9,390 | $ 10,004 | $ 10,000 | $ 11,179 |
| Bloomberg U.S. Aggregate Index | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | |||||||
| Accumulated Value | $ 11,070 | $ 10,696 | $ 10,428 | $ 9,902 | $ 9,433 | $ 10,049 | $ 10,000 | $ 11,130 |