S000004352 [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 Expanded Tech Sector ETF | iShares Expanded Tech Sector ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 26.83% | 36.95% | 60.67% | (35.86%) | 25.69% | 44.95% | 41.69% | 2.54% | 37.11% | 13.03% |