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000011 - Document - Risk/Return Summary {Unlabeled} - iShares Enhanced U.S. Large-Cap ETF
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000012 - Schedule - Shareholder Fees {- iShares Enhanced U.S. Large-Cap ETF}
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000021 - Document - Risk/Return Summary {Unlabeled} - iShares Enhanced U.S. Small-Cap ETF
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000026 - Schedule - Annual Total Returns - iShares Enhanced U.S. Small-Cap ETF [BarChart]
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000029 - Disclosure - Risk/Return Detail Data {Elements} - iShares Enhanced U.S. Small-Cap ETF
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