000013 - Schedule - Annual Fund Operating Expenses - Bernstein Intermediate Duration Institutional Portfolio
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000011 - Document - Risk/Return Summary {Unlabeled} - Bernstein Intermediate Duration Institutional Portfolio
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000012 - Schedule - Shareholder Fees - Bernstein Intermediate Duration Institutional Portfolio
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000014 - Schedule - Expense Example {Transposed} - Bernstein Intermediate Duration Institutional Portfolio
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000015 - Schedule - Expense Example, No Redemption {Transposed} - Bernstein Intermediate Duration Institutional Portfolio
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000016 - Schedule - Annual Total Returns - Bernstein Intermediate Duration Institutional Portfolio
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000017 - Schedule - Average Annual Total Returns {Transposed} - Bernstein Intermediate Duration Institutional Portfolio
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