S000094556 [Member] Investment Objectives and Goals - Franklin Minnesota Municipal Income ETF |
May 31, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund summary Franklin Minnesota Municipal Income ETF |
| Objective [Heading] | Goal |
| Objective, Primary [Text Block] | The fund seeks as high a level of current income exempt from federal income tax and Minnesota personal income tax as the Investment Manager (as defined below) believes is consistent with preservation of capital.
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