S000069536 [Member] Annual Total Returns |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| iShares ESG Select Screened S&P Small-Cap ETF | iShares ESG Select Screened S&P Small-Cap ETF | |||||
| Prospectus [Line Items] | |||||
| Annual Return [Percent] | 4.60% | 9.61% | 16.40% | (17.44%) | 25.29% |