S000010827 [Member] Investment Objectives and Goals - S000010827 [Member] |
Feb. 28, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Summary of the Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | Columbia Small Cap Index Fund (the Fund) seeks total return before fees and expenses that corresponds to the total return of the Standard & Poor’s (S&P) SmallCap 600® Index.
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