v3.25.2
Performance Management - iShares S&P 500 ex S&P 100 ETF
Jun. 23, 2025
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance Information
Performance Narrative [Text Block]
As of the date of the Prospectus, the Fund has not commenced operations and therefore has no performance information to report.
Performance One Year or Less [Text] As of the date of the Prospectus, the Fund has not commenced operations and therefore has no performance information to report.