S000094549 [Member] Expense Example - Franklin California Municipal Income ETF - Franklin California Municipal Income ETF |
Sep. 30, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 36 |
| Expense Example, with Redemption, 3 Years | $ 112 |