S000004356 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 290 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 North American Natural Resources Sector Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 21.11% | 20.56% | 9.76% | |||
| iShares North American Natural Resources ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 20.47% | 19.93% | 9.18% | |||
| Performance Inception Date | Oct. 22, 2001 | |||||
| iShares North American Natural Resources ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 19.77% | 19.13% | 8.39% | |||
| iShares North American Natural Resources ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 12.56% | 16.12% | 7.26% | |||
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