v3.26.1
International Growth Portfolio Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE® Growth Index (Net)(reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 20.76% 4.43% 7.42%
MSCI® All Country World (ex-US) Index (Net)(reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 32.39% 7.91% 8.41%
International Growth Portfolio      
Prospectus [Line Items]      
Average Annual Return, Percent 18.70% 6.11% 9.07%