S000093347 [Member] Performance Management - iShares S&P 500 ex S&P 100 ETF |
Mar. 31, 2026 |
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| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Performance Information |
| Performance Narrative [Text Block] | As of the date of this Prospectus, the Fund does not have a full calendar year of performance information to report.
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| Performance One Year or Less [Text] | As of the date of this Prospectus, the Fund does not have a full calendar year of performance information to report. |