S000094555 [Member] Expense Example - Franklin Massachusetts Municipal Income ETF - Franklin Massachusetts Municipal Income ETF |
Oct. 01, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 36 |
| Expense Example, with Redemption, 3 Years | $ 112 |