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020000 - Document - Risk/Return Summary {Unlabeled} - Oakmark Fund
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020001 - Schedule - Shareholder Fees
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020004 - Schedule - Annual Total Returns [Bar Chart]
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020007 - Document - Risk/Return Summary {Unlabeled} - Oakmark Select
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020014 - Document - Risk/Return Summary {Unlabeled} - Oakmark Equity and Income
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020018 - Schedule - Annual Total Returns [Bar Chart]
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020021 - Document - Risk/Return Summary {Unlabeled} - Oakmark Global
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020028 - Document - Risk/Return Summary {Unlabeled} - Oakmark Global Select
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020035 - Document - Risk/Return Summary {Unlabeled} - Oakmark International
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020042 - Document - Risk/Return Summary {Unlabeled} - Oakmark International Small Cap
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020043 - Schedule - Shareholder Fees
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020006 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark Fund
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020013 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark Select
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020020 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark Equity and Income
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020027 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark Global
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020034 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark Global Select
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020048 - Disclosure - Risk/Return Detail Data {Elements} - Oakmark International Small Cap
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