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S000094557 [Member] Investment Objectives and Goals - Franklin New Jersey Municipal Income ETF
Oct. 01, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Fund summary Franklin New Jersey 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 New Jersey personal income tax as the Investment Manager (as defined below) believes is consistent with preservation of capital.