S000004430 [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 Mid-Cap Growth ETF | iShares Morningstar Mid-Cap Growth ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.75% | 17.99% | 20.82% | (25.85%) | 15.39% | 45.65% | 35.61% | (3.39%) | 25.37% | 6.26% |