Shareholder Report, Line Graph (Details) 74200001100_Franklin California Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2026 |
|
| Class A1 | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class A1 (with sales charge) | ||||||||||
| Accumulated Value | $ 10,719 | $ 10,556 | $ 10,221 | $ 9,978 | $ 10,801 | $ 10,505 | $ 10,220 | $ 9,735 | $ 9,660 | $ 9,775 | $ 11,343 |
| Bloomberg Municipal Bond Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg Municipal Bond Index | ||||||||||
| Accumulated Value | 11,553 | 11,425 | 11,070 | 10,728 | 11,734 | 11,264 | 10,785 | 10,107 | 9,951 | 10,000 | $ 12,365 |
| Bloomberg Municipal M.F. CA Intermediate Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg Municipal M.F. CA Intermediate Index | ||||||||||
| Accumulated Value | $ 11,433 | $ 11,057 | $ 10,878 | $ 10,582 | $ 11,358 | $ 11,145 | $ 10,666 | $ 10,041 | $ 9,982 | $ 10,000 | $ 11,981 |