S000019356 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 217 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 Infrastructure 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] | 21.54% | 10.02% | 8.47% | ||
| iShares Global Infrastructure ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 21.86% | 10.26% | 8.68% | |||
| Performance Inception Date | Dec. 10, 2007 | |||||
| iShares Global Infrastructure ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 21.00% | 9.60% | 8.05% | |||
| iShares Global Infrastructure ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 13.65% | 8.12% | 7.04% | |||
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