International Portfolio Average Annual Total Returns - Portfolio [Member] |
12 Months Ended | 60 Months Ended | 100 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI ACWI ex USA Index (reflects no deduction for fees or expenses)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 32.39% | 7.91% | 7.25% | 8.41% |
| International Portfolio | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 19.97% | 0.62% | 10.48% |