Shareholder Report, Average Annual Return (Details)		12 Months Ended	60 Months Ended	120 Months Ended
		Feb. 28, 2025	Feb. 28, 2025	Feb. 28, 2025
Columbia Large Cap Index Fund - Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Class A
Average Annual Return, Percent		17.84%	16.34%	12.48%
Columbia Large Cap Index Fund - Institutional Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional Class
Average Annual Return, Percent		18.14%	16.63%	12.76%
Columbia Large Cap Index Fund - Institutional 2 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional 2 Class
Average Annual Return, Percent		18.13%	16.63%	12.76%
Columbia Large Cap Index Fund - Institutional 3 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional 3 Class
Average Annual Return, Percent	[1]	18.14%	16.63%	12.76%
Standard & Poor's 500 Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name		S&P 500® Index
Average Annual Return, Percent		18.41%	16.85%	12.98%

[1] The returns shown for periods prior to March 1, 2017 (including Since Fund Inception returns, if shown) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investment-products/mutual-funds/appended-performance for more information.