Investor A C and Institutional [Member] Investment Objectives and Goals - Investor A, C and Institutional - BlackRock Advantage CoreAlpha Bond Fund |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund Overview Key Facts About BlackRock Advantage CoreAlpha Bond Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | BlackRock Advantage CoreAlpha Bond Fund (formerly, BlackRock CoreAlpha Bond Fund) (the “Fund”), a series of BlackRock Funds VI (the “Trust”), seeks to provide a combination of income and capital growth.
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