S000094551 [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 Municipal Income ETF | Franklin Municipal Income ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.00% | 2.50% | 7.61% | (10.29%) | 2.41% | 4.74% | 8.39% | 0.92% | 6.09% | 0.60% |