S000013702 [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 MBS ETF | iShares MBS ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 8.45% | 1.31% | 4.99% | (11.86%) | (1.27%) | 4.03% | 6.27% | 0.81% | 2.37% | 1.28% |