S000004311 [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 |
|
| 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% | 14.22% | |
| S&P 500 Growth Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 22.18% | 15.04% | 16.99% | |
| iShares S&P 500 Growth ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 21.95% | 14.83% | 16.78% | |
| Performance Inception Date | May 22, 2000 | |||
| iShares S&P 500 Growth ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 21.82% | 14.64% | 16.50% | |
| iShares S&P 500 Growth ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 13.07% | 11.90% | 14.23% |