v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
Variable Portfolio – Partners International Value Fund - Class 1 | Samsung Electronics Co., Ltd. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Variable Portfolio – Partners International Value Fund - Class 1 | Roche Holding AG, Genusschein Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Variable Portfolio – Partners International Value Fund - Class 1 | Reckitt Benckiser Group PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Variable Portfolio – Partners International Value Fund - Class 1 | Rexel SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 1 | ING Groep NV [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 1 | Daimler Truck Holding AG [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 1 | BASF SE [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 1 | ArcelorMittal SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 1 | Teleperformance SE [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 1 | Amundi SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 1 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Variable Portfolio – Partners International Value Fund - Class 1 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Variable Portfolio – Partners International Value Fund - Class 1 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Variable Portfolio – Partners International Value Fund - Class 1 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Variable Portfolio – Partners International Value Fund - Class 1 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Variable Portfolio – Partners International Value Fund - Class 1 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Variable Portfolio – Partners International Value Fund - Class 1 | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Variable Portfolio – Partners International Value Fund - Class 1 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Variable Portfolio – Partners International Value Fund - Class 1 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Variable Portfolio – Partners International Value Fund - Class 1 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 1 | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Variable Portfolio – Partners International Value Fund - Class 1 | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Variable Portfolio – Partners International Value Fund - Class 1 | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
Variable Portfolio – Partners International Value Fund - Class 1 | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
Variable Portfolio – Partners International Value Fund - Class 1 | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Variable Portfolio – Partners International Value Fund - Class 1 | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Variable Portfolio – Partners International Value Fund - Class 1 | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Variable Portfolio – Partners International Value Fund - Class 1 | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Variable Portfolio – Partners International Value Fund - Class 1 | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Variable Portfolio – Partners International Value Fund - Class 1 | IRELAND  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Variable Portfolio – Partners International Value Fund - Class 1 | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Variable Portfolio – Partners International Value Fund - Class 1 | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
Variable Portfolio – Partners International Value Fund - Class 2 | Samsung Electronics Co., Ltd. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Variable Portfolio – Partners International Value Fund - Class 2 | Roche Holding AG, Genusschein Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Variable Portfolio – Partners International Value Fund - Class 2 | Reckitt Benckiser Group PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Variable Portfolio – Partners International Value Fund - Class 2 | Rexel SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 2 | ING Groep NV [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 2 | Daimler Truck Holding AG [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Variable Portfolio – Partners International Value Fund - Class 2 | BASF SE [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 2 | ArcelorMittal SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 2 | Teleperformance SE [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 2 | Amundi SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 2 | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Variable Portfolio – Partners International Value Fund - Class 2 | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Variable Portfolio – Partners International Value Fund - Class 2 | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Variable Portfolio – Partners International Value Fund - Class 2 | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Variable Portfolio – Partners International Value Fund - Class 2 | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Variable Portfolio – Partners International Value Fund - Class 2 | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Variable Portfolio – Partners International Value Fund - Class 2 | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Variable Portfolio – Partners International Value Fund - Class 2 | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Variable Portfolio – Partners International Value Fund - Class 2 | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Variable Portfolio – Partners International Value Fund - Class 2 | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Variable Portfolio – Partners International Value Fund - Class 2 | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Variable Portfolio – Partners International Value Fund - Class 2 | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Variable Portfolio – Partners International Value Fund - Class 2 | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
Variable Portfolio – Partners International Value Fund - Class 2 | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
Variable Portfolio – Partners International Value Fund - Class 2 | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Variable Portfolio – Partners International Value Fund - Class 2 | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Variable Portfolio – Partners International Value Fund - Class 2 | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Variable Portfolio – Partners International Value Fund - Class 2 | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Variable Portfolio – Partners International Value Fund - Class 2 | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Variable Portfolio – Partners International Value Fund - Class 2 | IRELAND  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Variable Portfolio – Partners International Value Fund - Class 2 | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Variable Portfolio – Partners International Value Fund - Class 2 | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%