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S000008981 [Member] Investment Objectives and Goals - S000008981 [Member]
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Summary of Columbia Variable Portfolio - Acorn Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Columbia Variable Portfolio - Acorn Fund (the Fund) seeks long-term capital appreciation.