S000050613 [Member] Investment Objectives and Goals - Northern Trust Credit-Scored US Long Corporate Bond ETF |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Northern Trust Credit-Scored US Long Corporate Bond ETF (formerly, FlexShares® Credit-Scored US Long Corporate Bond Index Fund) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the Northern Trust US Long Corporate Bond Quality Value IndexSM (the “Underlying Index”).
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