v3.26.1
S000031347 [Member] Expense Example - Columbia Income Builder Fund
Jan. 31, 2026
USD ($)
Columbia Income Builder Fund Institutional 3 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 66
Expense Example, with Redemption, 3 Years 208
Expense Example, with Redemption, 5 Years 362
Expense Example, with Redemption, 10 Years 810
Columbia Income Builder Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 568
Expense Example, with Redemption, 3 Years 766
Expense Example, with Redemption, 5 Years 981
Expense Example, with Redemption, 10 Years 1,597
Columbia Income Builder Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 274
Expense Example, with Redemption, 3 Years 539
Expense Example, with Redemption, 5 Years 928
Expense Example, with Redemption, 10 Years 1,821
Columbia Income Builder Fund Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 123
Expense Example, with Redemption, 3 Years 384
Expense Example, with Redemption, 5 Years 665
Expense Example, with Redemption, 10 Years 1,466
Columbia Income Builder Fund Institutional Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 73
Expense Example, with Redemption, 3 Years 227
Expense Example, with Redemption, 5 Years 395
Expense Example, with Redemption, 10 Years 883
Columbia Income Builder Fund Institutional 2 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years $ 859