| Label | Element | Value |
|---|---|---|
| Initial Class | Equity Funds [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 60.60% |
| Initial Class | Fixed Income Funds [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 39.40% |