Brighthouse Eaton Vance Floating Rate Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Universal Bond Index (reflects no deduction for mutual fund fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.58% | 0.06% | 2.44% |
| Morningstar LSTA U.S. Leveraged Loan Index (reflects no deduction for mutual fund fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.90% | 6.42% | 5.83% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.05% | 5.01% | 4.85% |
| Class B | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.81% | 4.75% | 4.59% |