v3.26.1
S000031358 [Member] Expense Example, No Redemption - Columbia Capital Allocation Aggressive Portfolio
Jan. 31, 2026
USD ($)
Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 72
Expense Example, No Redemption, 3 Years 224
Expense Example, No Redemption, 5 Years 390
Expense Example, No Redemption, 10 Years 871
Columbia Capital Allocation Aggressive Portfolio Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 673
Expense Example, No Redemption, 3 Years 881
Expense Example, No Redemption, 5 Years 1,106
Expense Example, No Redemption, 10 Years 1,751
Columbia Capital Allocation Aggressive Portfolio Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 180
Expense Example, No Redemption, 3 Years 557
Expense Example, No Redemption, 5 Years 959
Expense Example, No Redemption, 10 Years 1,886
Columbia Capital Allocation Aggressive Portfolio Class R  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 129
Expense Example, No Redemption, 3 Years 403
Expense Example, No Redemption, 5 Years 697
Expense Example, No Redemption, 10 Years 1,534
Columbia Capital Allocation Aggressive Portfolio Institutional Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 79
Expense Example, No Redemption, 3 Years 246
Expense Example, No Redemption, 5 Years 428
Expense Example, No Redemption, 10 Years $ 954