S000088433 [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 Top 30 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 22.57% | 25.50% |
| iShares Nasdaq Top 30 Stocks ETF | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 22.36% | 25.14% |
| Performance Inception Date | Oct. 23, 2024 | |
| iShares Nasdaq Top 30 Stocks ETF | After Taxes on Distributions | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 22.24% | 25.00% |
| iShares Nasdaq Top 30 Stocks ETF | After Taxes on Distributions and Sales | ||
| Prospectus [Line Items] | ||
| Average Annual Return, Percent | 13.31% | 19.23% |