v3.26.1
At NAV [Member] Investment Objectives and Goals - S000095309 [Member]
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Summary of the Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Columbia Core Bond ETF (the Fund) seeks current income, consistent with minimal fluctuation of principal.