S000004329 [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 |
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| Russell 3000 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% | |||
| Russell 1000 Technology RIC 22.5/45 Capped Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | [1] | 25.91% | 19.40% | 23.52% | ||
| iShares U.S. Technology ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 25.44% | 18.96% | 23.02% | |||
| Performance Inception Date | May 15, 2000 | |||||
| iShares U.S. Technology ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 25.39% | 18.87% | 22.84% | |||
| iShares U.S. Technology ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 15.08% | 15.44% | 20.07% | |||
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