Other Expenses Interest Expense [Member] Investment Objectives and Goals - Overlay B Portfolio |
Sep. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Overlay B Portfolio of Sanford C. Bernstein Fund, Inc. |
| Objective [Heading] | INVESTMENT OBJECTIVE: |
| Objective, Primary [Text Block] |
The investment objective of the Overlay B Portfolio (“Portfolio”) is to manage the volatility of a fixed-income-oriented asset allocation over the long term, as part of an investor’s overall asset allocation managed by Bernstein Private Wealth Management of AllianceBernstein L.P.
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