S000028690 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 188 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% | |
| Variable Portfolio - Partners Core Bond Fund Class 1 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.62% | 0.03% | 2.25% | |
| Performance Inception Date | May 07, 2010 | |||
| Variable Portfolio - Partners Core Bond Fund Class 2 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.28% | (0.23%) | 1.99% | |
| Performance Inception Date | May 07, 2010 |