S000094552 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| Franklin Municipal High Yield ETF | Putnam Tax-Free High Yield Fund - Class R6 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.73% | 8.19% | (12.51%) | 5.31% | 4.55% | 9.74% | 1.28% | 8.64% | 1.14% | 4.58% |