Shareholder Report, Line Graph (Details) 1014071_Putnam BDC Income 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 |
Oct. 31, 2022 |
Sep. 29, 2022 |
Apr. 30, 2026 |
|
| Putnam BDC Income ETF | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Putnam BDC Income ETF (NAV) | ||||||||
| Accumulated Value | $ 16,678 | $ 16,291 | $ 16,378 | $ 15,925 | $ 13,191 | $ 11,871 | $ 11,104 | $ 10,000 | $ 16,311 |
| Russell 3000 Index | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||||
| Accumulated Value | 19,531 | 15,818 | 16,166 | 14,199 | 11,727 | 11,610 | 10,820 | 10,000 | $ 20,724 |
| S&P BDC Index | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | S&P BDC Index | ||||||||
| Accumulated Value | $ 15,569 | $ 15,615 | $ 15,779 | $ 15,339 | $ 12,826 | $ 11,841 | $ 11,127 | $ 10,000 | $ 15,324 |