S000093511 [Member] Investment Objectives and Goals - NT 1-10 Year Tax-Exempt Ladder ETF |
Aug. 05, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | NORTHERN TRUST 2035 TAX‑EXEMPT DISTRIBUTING LADDER ETF |
| Objective [Heading] | INVESTMENT OBJECTIVE |
| Objective, Primary [Text Block] | The Fund seeks to provide periodic distributions consisting of income exempt from regular federal income tax and/or principal through 2035.
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