S000019848 [Member] Expense Example, No Redemption - Columbia Variable Portfolio - Large Cap Index Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Columbia Variable Portfolio - Large Cap Index Fund Class 3 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 39 |
| Expense Example, No Redemption, 3 Years | 124 |
| Expense Example, No Redemption, 5 Years | 218 |
| Expense Example, No Redemption, 10 Years | 492 |
| Columbia Variable Portfolio - Large Cap Index Fund Class 1 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 26 |
| Expense Example, No Redemption, 3 Years | 83 |
| Expense Example, No Redemption, 5 Years | 145 |
| Expense Example, No Redemption, 10 Years | 330 |
| Columbia Variable Portfolio - Large Cap Index Fund Class 2 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 51 |
| Expense Example, No Redemption, 3 Years | 163 |
| Expense Example, No Redemption, 5 Years | 284 |
| Expense Example, No Redemption, 10 Years | $ 640 |