v3.26.1
S000095313 [Member] Investment Objectives and Goals - S000095313 [Member]
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Summary of Columbia Research Enhanced Small Cap ETF
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Columbia Research Enhanced Small Cap ETF (the Fund) seeks long-term capital appreciation.