S000015626 [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 Mortgage Real Estate ETF | iShares Mortgage Real Estate ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 13.24% | (0.83%) | 14.56% | (27.45%) | 16.35% | (20.75%) | 21.35% | (2.95%) | 18.57% | 21.96% |