Investor A, C, Institutional and Class R [Member] Investment Objectives and Goals - Investor A, C, Institutional and Class R [Member] - BLACKROCK BALANCED FUND, INC. |
May 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund OverviewKey Facts About BlackRock Balanced Fund, Inc. |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of BlackRock Balanced Fund, Inc. (the “Fund”) (formerly known as “BlackRock Sustainable Balanced Fund, Inc.”) is to seek the highest total investment return through a fully managed investment policy utilizing equity, debt (including money market) and convertible securities.
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