S000004314 [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 Growth ETF | iShares S&P Small-Cap 600 Growth ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.20% | 9.42% | 16.97% | (21.24%) | 22.40% | 19.17% | 20.82% | (4.28%) | 14.57% | 22.00% |