S000004335 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| iShares Russell Mid-Cap Value ETF | iShares Russell Mid-Cap Value ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.83% | 12.84% | 12.53% | (12.21%) | 28.04% | 4.76% | 26.78% | (12.36%) | 13.10% | 19.69% |