S000004345 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 307 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 1000 Value Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 15.91% | 11.33% | 10.53% | |
| iShares Russell 1000 Value ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 15.71% | 11.13% | 10.34% | |
| Performance Inception Date | May 22, 2000 | |||
| iShares Russell 1000 Value ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 15.21% | 10.61% | 9.76% | |
| iShares Russell 1000 Value ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 9.60% | 8.77% | 8.37% |