S000004335 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 293 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 Midcap Value Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 11.05% | 9.83% | 9.78% | |
| iShares Russell Mid-Cap Value ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.83% | 9.61% | 9.56% | |
| Performance Inception Date | Jul. 17, 2001 | |||
| iShares Russell Mid-Cap Value ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.40% | 9.15% | 9.01% | |
| iShares Russell Mid-Cap Value ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.68% | 7.52% | 7.68% |