S000033315 [Member] Investment Objectives and Goals - Northern Trust Morningstar Global Upstream Natural Resources ETF |
Oct. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Northern Trust Morningstar Global Upstream Natural Resources ETF (formerly, FlexShares® Morningstar Global Upstream Natural Resources 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 Morningstar® Global Upstream Natural Resources IndexSM (the “Underlying Index”).
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