v3.26.1
S000068817 [Member] Investment Objectives and Goals - iShares ESG Advanced Universal USD Bond ETF
Feb. 28, 2026
Prospectus [Line Items]  
Risk/Return [Heading] iSHARES® ESG ADVANCED UNIVERSAL USD BOND ETF EUSB | NYSE Arca
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The iShares ESG Advanced Universal USD Bond ETF (the Fund) seeks to track the investment results of an index composed of U.S. dollar-denominated bonds that are rated either investment-grade or high-yield from issuers with a favorable environmental, social and governance rating as identified by the index provider, while applying extensive screens for involvement in controversial activities.