S000088432 [Member] Average Annual Total Returns |
12 Months Ended | 14 Months Ended |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Nasdaq US Benchmark Index (Returns do not reflect deductions for fees, expenses or taxes) | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 17.56% | 16.70% |
| Nasdaq-100 ex Top 30 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 15.32% | 10.68% |
| iShares Nasdaq-100 ex Top 30 ETF | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 15.05% | 10.38% |
| Performance Inception Date | Oct. 23, 2024 | |
| iShares Nasdaq-100 ex Top 30 ETF | After Taxes on Distributions | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 14.86% | 10.18% |
| iShares Nasdaq-100 ex Top 30 ETF | After Taxes on Distributions and Sales | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 9.03% | 7.91% |