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S000062376 [Member] Investment Objectives and Goals - BlackRock High Yield V.I. Fund
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Fund Overview Key Facts About BlackRock High Yield V.I. Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of the BlackRock High Yield V.I. Fund (the “Fund”) is to seek to maximize total return, consistent with income generation and prudent investment management.