S000008883 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 232 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| S&P Global Broad Market Index (Net) (Returns do not reflect deductions for fees, expenses or taxes except for withholding taxes on reinvested dividends) | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1] | 21.96% | 10.50% | 11.28% | ||||
| S&P Global 1200 Utilities (Sector) Capped Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes except for withholding taxes on reinvested dividends) | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1],[2] | 25.36% | 8.25% | 9.01% | ||||
| iShares Global Utilities ETF | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 25.86% | 8.79% | 9.44% | |||||
| Performance Inception Date | Sep. 12, 2006 | |||||||
| iShares Global Utilities ETF | After Taxes on Distributions | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 25.06% | 8.01% | 8.60% | |||||
| iShares Global Utilities ETF | After Taxes on Distributions and Sales | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 15.82% | 6.79% | 7.51% | |||||
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