v3.26.1
S000023506 [Member] Investment Objectives and Goals - iShares Agency Bond ETF
Feb. 28, 2026
Prospectus [Line Items]  
Risk/Return [Heading] iSHARES® AGENCY BOND ETFAGZ | NYSE Arca
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The iShares Agency Bond ETF (the Fund) seeks to track the investment results of an index composed of agency securities that are publicly issued by U.S. government agencies, and corporate and non-U.S. debt guaranteed by the U.S. government.