S000004328 [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. Real Estate ETF | iShares U.S. Real Estate ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.38% | 4.48% | 11.86% | (25.46%) | 38.69% | (5.39%) | 28.39% | (4.29%) | 9.37% | 7.00% |