Average Annual Total Returns |
12 Months Ended | 14 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
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| MSCI All Country World Index (Net) (Reflects no deduction for fees, expenses or taxes, except for withholding taxes on reinvested dividends) | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | [1],[2] | 22.34% | 17.20% | |||||||
| MSCI ACWI Information Technology 10/40 Index (Net) (Reflects no deduction for fees, expenses or taxes, except for withholding taxes on reinvested dividends) | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | [1],[3] | 30.16% | 25.86% | |||||||
| iShares Technology Opportunities Active ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 18.89% | 17.64% | ||||||||
| Performance Inception Date | Oct. 21, 2024 | |||||||||
| iShares Technology Opportunities Active ETF | After Taxes on Distributions | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | [4] | 18.16% | 17.03% | |||||||
| Performance Inception Date | [4] | Oct. 21, 2024 | ||||||||
| iShares Technology Opportunities Active ETF | After Taxes on Distributions and Sales | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | [4] | 11.23% | 13.25% | |||||||
| Performance Inception Date | [4] | Oct. 21, 2024 | ||||||||
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