S000093946 [Member] Investment Objectives and Goals - AB New York Intermediate Municipal ETF |
Nov. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | AB New York Intermediate Municipal ETF (successor to New York Municipal Portfolio) |
| Objective [Heading] | INVESTMENT OBJECTIVE |
| Objective, Primary [Text Block] | The Fund’s investment objective is to provide safety of principal and maximize total return after taking account of federal, state and local taxes for New York residents.
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