S000028690 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Variable Portfolio - Partners Core Bond Fund | Variable Portfolio - Partners Core Bond Fund Class 2 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.28% | 2.01% | 6.06% | (13.60%) | (1.41%) | 7.97% | 8.39% | (0.35%) | 3.34% | 2.23% |