S000017778 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 218 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| S&P Developed ex US 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] | 34.35% | 8.57% | 8.46% | ||||
| S&P Asia 50 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] | 46.56% | 5.24% | 11.64% | ||||
| iShares Asia 50 ETF | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 47.01% | 4.69% | 10.99% | |||||
| Performance Inception Date | Nov. 13, 2007 | |||||||
| iShares Asia 50 ETF | After Taxes on Distributions | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 45.86% | 4.10% | 10.43% | |||||
| iShares Asia 50 ETF | After Taxes on Distributions and Sales | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 28.20% | 3.50% | 8.96% | |||||
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