Shareholder Report, Average Annual Return (Details)	12 Months Ended	60 Months Ended	120 Months Ended
	Aug. 31, 2024	Aug. 31, 2024	Aug. 31, 2024
Columbia Emerging Markets Fund Institutional 3 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Institutional 3 Class
Average Annual Return, Percent	10.29%	2.18%	2.39%
Columbia Emerging Markets Fund Institutional 2 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Institutional 2 Class
Average Annual Return, Percent	10.17%	2.14%	2.34%
Columbia Emerging Markets Fund Institutional Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Institutional Class
Average Annual Return, Percent	10.10%	2.02%	2.21%
Columbia Emerging Markets Fund Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class C (including sales charges)
Average Annual Return, Percent	8.01%	1.01%	1.20%
Columbia Emerging Markets Fund Advisor Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Advisor Class
Average Annual Return, Percent	10.11%	2.02%	2.21%
Columbia Emerging Markets Fund Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A (including sales charges)
Average Annual Return, Percent	3.44%	0.56%	1.35%
Without Sales Load [Member] | Columbia Emerging Markets Fund Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class C (excluding sales charges)
Average Annual Return, Percent	9.01%	1.01%	1.20%
Without Sales Load [Member] | Columbia Emerging Markets Fund Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A (excluding sales charges)
Average Annual Return, Percent	9.77%	1.76%	1.95%
MSCI Emerging Markets Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI Emerging Markets Index (Net)
Average Annual Return, Percent	15.07%	4.79%	2.56%
MSCI EAFE Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI EAFE Index (Net)
Average Annual Return, Percent	19.40%	8.61%	5.20%