S000019859 [Member] Expense Example, No Redemption - Variable Portfolio - Partners Core Equity Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Class 1 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 69 |
| Expense Example, No Redemption, 3 Years | 222 |
| Expense Example, No Redemption, 5 Years | 388 |
| Expense Example, No Redemption, 10 Years | 869 |
| Class 2 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 95 |
| Expense Example, No Redemption, 3 Years | 301 |
| Expense Example, No Redemption, 5 Years | 524 |
| Expense Example, No Redemption, 10 Years | 1,165 |
| Class 3 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 83 |
| Expense Example, No Redemption, 3 Years | 263 |
| Expense Example, No Redemption, 5 Years | 459 |
| Expense Example, No Redemption, 10 Years | $ 1,023 |