S000068768 [Member] Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| iShares 0-3 Month Treasury Bond ETF | iShares 0-3 Month Treasury Bond ETF | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 5.28% | 5.13% | 1.58% | 0.02% |