S000094553 [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 New York Municipal Income ETF | Franklin New York Municipal Income ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.60% | 2.24% | 7.75% | (10.55%) | 2.56% | 4.26% | 7.93% | 0.49% | 5.25% | 0.57% |