S000069533 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 63 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P MidCap 400 Sustainability Screened Index (Returns do not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 8.22% | 8.58% | 13.09% |
| S&P Total Market Index (Returns do not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.05% | 13.07% | 15.64% |
| iShares ESG Select Screened S&P Mid-Cap ETF | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 8.08% | 8.44% | 12.91% |
| Performance Inception Date | Sep. 22, 2020 | ||
| iShares ESG Select Screened S&P Mid-Cap ETF | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.71% | 8.05% | 12.51% |
| iShares ESG Select Screened S&P Mid-Cap ETF | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.96% | 6.56% | 10.28% |