S000009417 [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. Pharmaceuticals ETF | iShares U.S. Pharmaceuticals ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 31.74% | 8.08% | 0.99% | (4.78%) | 12.83% | 13.82% | 15.49% | (7.67%) | 10.66% | (11.72%) |