S000028690 [Member] Expense Example - Variable Portfolio - Partners Core Bond Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Variable Portfolio - Partners Core Bond Fund Class 1 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 49 |
| Expense Example, with Redemption, 3 Years | 154 |
| Expense Example, with Redemption, 5 Years | 269 |
| Expense Example, with Redemption, 10 Years | 604 |
| Variable Portfolio - Partners Core Bond Fund Class 2 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 75 |
| Expense Example, with Redemption, 3 Years | 233 |
| Expense Example, with Redemption, 5 Years | 406 |
| Expense Example, with Redemption, 10 Years | $ 906 |