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S000045356 [Member] Investment Objectives and Goals - BlackRock 60/40 Target Allocation ETF V.I. Fund
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Fund Overview Key Facts About BlackRock 60/40 Target Allocation ETF V.I. Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of BlackRock 60/40 Target Allocation ETF V.I. Fund (the “Fund”) is to seek to provide total return.