S000004435 [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 Morningstar Small-Cap Value ETF | iShares Morningstar Small-Cap Value ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.51% | 9.18% | 16.45% | (10.49%) | 29.16% | 0.67% | 19.48% | (16.80%) | 8.08% | 27.83% |