S000003878 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI All Country World Ex-U.S. Index-NR (reflects no deduction for fees, expenses or taxes but are net of dividend tax withholdings) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 32.39% | 7.91% | 8.41% |
| MSCI EAFE Value Index-NR (index reflects no deduction for fees, expenses or taxes but are net of dividend tax withholding) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 42.25% | 13.36% | 8.69% |
| Class IA Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 35.07% | 12.77% | 9.13% |
| Class IB Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 34.68% | 12.49% | 8.86% |