S000068817 [Member] Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| iShares ESG Advanced Total USD Bond Market ETF | iShares ESG Advanced Total USD Bond Market ETF | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 1.94% | 5.86% | (12.71%) | (1.49%) |