S000073359 [Member] Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Northern Trust ESG & Climate Developed Markets ex-US Core ETF | FlexShares ESG & Climate Developed Markets ex-US Core Index Fund | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 27.27% | 3.19% | 17.90% | (15.59%) |