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Brighthouse Templeton International Bond Portfolio Investment Objectives and Goals - Brighthouse Templeton International Bond Portfolio
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Times New Roman;font-size:22pt;">Brighthouse/Templeton International Bond Portfolio</span>
Objective [Heading] <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] Current income with capital appreciation and growth of income.