S000004316 [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 S&P Small-Cap 600 Value ETF | iShares S&P Small-Cap 600 Value ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.55% | 7.42% | 14.64% | (11.32%) | 30.47% | 2.56% | 24.25% | (12.80%) | 11.36% | 31.17% |