Brighthouse Asset Allocation 100 Portfolio 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 Index (reflects no deduction for mutual fund fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 22.34% | 11.19% | 11.72% |
| Dow Jones Aggressive Portfolio Index (reflects no deduction for mutual fund fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 20.09% | 10.07% | 11.42% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.41% | 8.91% | 10.97% |
| Class B | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.06% | 8.63% | 10.70% |