S000004329 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 296 Months Ended | ||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
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| Russell 3000 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 23.81% | 13.86% | 12.55% | |||
| 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] | 30.74% | 23.35% | 21.20% | ||
| iShares U.S. Technology ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 30.21% | 22.89% | 20.70% | |||
| Performance Inception Date | May 15, 2000 | |||||
| iShares U.S. Technology ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 30.14% | 22.75% | 20.49% | |||
| iShares U.S. Technology ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 17.93% | 18.82% | 17.88% | |||
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