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S000004349 [Member] Investment Objectives and Goals - iShares Select U.S. REIT ETF
Apr. 30, 2025
Prospectus [Line Items]  
Risk/Return [Heading] iSHARES® SELECT U.S. REIT ETFTicker: ICFStock Exchange: Cboe BZX
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The iShares Select U.S. REIT ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. real estate investment trusts (“REITs”).