S000004342 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 305 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% | |
| Russell 2000 Value Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 12.59% | 8.88% | 9.27% | |
| iShares Russell 2000 Value ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 12.41% | 8.63% | 9.08% | |
| Performance Inception Date | Jul. 24, 2000 | |||
| iShares Russell 2000 Value ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 11.87% | 8.07% | 8.49% | |
| iShares Russell 2000 Value ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.59% | 6.67% | 7.24% |