S000026554 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 195 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 Top 200 Value Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 18.47% | 12.08% | 10.91% | |
| iShares Russell Top 200 Value ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 18.23% | 11.84% | 10.69% | |
| Performance Inception Date | Sep. 22, 2009 | |||
| iShares Russell Top 200 Value ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.75% | 11.32% | 10.10% | |
| iShares Russell Top 200 Value ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 11.09% | 9.35% | 8.67% |