v3.26.1
S000080646 [Member] Investment Objectives and Goals - iShares Large Cap Deep Buffer ETF
Jul. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] ISHARES LARGE CAP DEEP QUARTERLY LADDERED ETF Ticker: IVVB      Stock Exchange: CBOE
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The iShares Large Cap Deep Quarterly Laddered ETF (the “Fund”) (formerly, iShares Large Cap Deep Buffer ETF) seeks to track the share price return of the iShares Core S&P 500 ETF (the “Underlying ETF”) up to an approximate upside limit, while seeking to provide downside protection.