v3.26.1
Brighthouse Templeton International Bond Portfolio Expense Example - Brighthouse Templeton International Bond Portfolio
Dec. 31, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 70
Expense Example, with Redemption, 3 Years 229
Expense Example, with Redemption, 5 Years 402
Expense Example, with Redemption, 10 Years 903
Class B  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 308
Expense Example, with Redemption, 5 Years 538
Expense Example, with Redemption, 10 Years $ 1,198