S000004347 [Member] Investment Objectives and Goals - iShares Russell 1000 ETF |
Mar. 31, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | iShares Russell 1000 ETF IWB | NYSE Arca |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The iShares Russell 1000 ETF (the “Fund”) seeks to track the investment results of an index composed of large- and mid-capitalization U.S. equities.
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