Shareholder Report, Average Annual Return (Details)		12 Months Ended	60 Months Ended	120 Months Ended
		Mar. 31, 2025	Mar. 31, 2025	Mar. 31, 2025
Multi-Manager Growth Strategies Fund - Institutional Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional Class
Average Annual Return, Percent	[1],[2]	7.43%	18.62%	13.16%
Russell 1000 Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Russell 1000®Index
Average Annual Return, Percent	[3]	7.82%	18.47%	12.18%
Russell 1000 Growth Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Russell 1000® Growth Index
Average Annual Return, Percent		7.76%	20.09%	15.12%

[1] The Fund’s performance prior to October 2022 reflects returns achieved by one or more different subadvisers that managed the Fund according to different principal investment strategies. If the Fund’s current subadvisers and strategies had been in place for the prior periods, results shown may have been different.

[2] The returns shown for periods prior to January 3, 2017 (including Since Fund Inception returns, if shown) include the returns of Class A. Class A shares were offered prior to the Fund's Institutional Class shares but have since been merged into the Fund’s Institutional Class shares. 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.

[3] Effective August 1, 2024, the Fund compares its performance to the Russell 1000® Index, a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represents the market sectors in which the Fund primarily invests.