S000094549 [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 California Municipal Income ETF | Franklin California Municipal Income ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.02% | 2.90% | 7.45% | (10.10%) | 1.99% | 5.58% | 8.57% | 0.50% | 6.47% | 0.18% |