S000004324 [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 U.S. Healthcare ETF | iShares U.S. Healthcare ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 13.13% | 3.08% | 2.05% | (4.38%) | 23.40% | 15.48% | 20.82% | 5.87% | 22.31% | (2.81%) |