S000015627 [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 Core U.S. REIT ETF | iShares Core U.S. REIT ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.51% | 8.60% | 13.62% | (24.40%) | 43.11% | (8.02%) | 25.88% | (4.55%) | 5.17% | 8.08% |