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S000031359 [Member] Investment Objectives and Goals - Columbia Capital Allocation Conservative Portfolio
Jan. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Summary of Columbia Capital Allocation Conservative Portfolio
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Columbia Capital Allocation Conservative Portfolio (Conservative Portfolio or the Fund) is designed for investors seeking the highest level of total return that is consistent with a conservative level of risk.