S000031359 [Member] Expense Example, No Redemption - Columbia Capital Allocation Conservative Portfolio |
Jan. 31, 2026
USD ($)
|
|---|---|
| Columbia Capital Allocation Conservative Portfolio Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 567 |
| Expense Example, No Redemption, 3 Years | 765 |
| Expense Example, No Redemption, 5 Years | 980 |
| Expense Example, No Redemption, 10 Years | 1,596 |
| Columbia Capital Allocation Conservative Portfolio Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 173 |
| Expense Example, No Redemption, 3 Years | 538 |
| Expense Example, No Redemption, 5 Years | 927 |
| Expense Example, No Redemption, 10 Years | 1,820 |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 72 |
| Expense Example, No Redemption, 3 Years | 226 |
| Expense Example, No Redemption, 5 Years | 394 |
| Expense Example, No Redemption, 10 Years | $ 882 |