S000004310 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 308 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 (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% | |
| iShares Core S&P 500 ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.85% | 14.39% | 14.78% | |
| Performance Inception Date | May 15, 2000 | |||
| iShares Core S&P 500 ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.48% | 14.00% | 14.31% | |
| iShares Core S&P 500 ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.77% | 11.48% | 12.33% |