S000094555 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Franklin Massachusetts Municipal Income ETF | Putnam Massachusetts Tax Exempt Income Fund - Class R6 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.27% | 1.89% | 6.50% | (9.82%) | 1.73% | 5.12% | 7.09% | 0.45% | 4.98% | 0.50% |