S000004358 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| iShares 7-10 Year Treasury Bond ETF | iShares 7-10 Year Treasury Bond ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (0.61%) | 3.58% | (15.23%) | (3.27%) | 9.84% | 8.38% | 0.82% | 2.47% | 1.00% | 1.55% |