S000068272 [Member] Expense Example, No Redemption - Franklin Templeton Conservative Model Portfolio |
Dec. 31, 2025
USD ($)
|
|---|---|
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 61 |
| Expense Example, No Redemption, 3 Years | 192 |
| Expense Example, No Redemption, 5 Years | 335 |
| Expense Example, No Redemption, 10 Years | 750 |
| Class II | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 87 |
| Expense Example, No Redemption, 3 Years | 271 |
| Expense Example, No Redemption, 5 Years | 471 |
| Expense Example, No Redemption, 10 Years | $ 1,048 |