Annual Total Returns |
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 HIGH YIELD MUNICIPAL FUND | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.01% | 3.99% | 5.12% | (12.09%) | 3.69% | 4.47% | 9.41% | 1.09% | 7.11% | 1.07% |