v3.26.1
S000004322 [Member] Investment Objectives and Goals - iShares U.S. Financial Services ETF
Apr. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] iShares U.S. Financial Services ETF IYG | NYSE Arca
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The iShares U.S. Financial Services ETF (the Fund) seeks to track the investment results of an index composed of U.S. equities in the financial services sector.