v3.26.1
MetLife Multi-Index Targeted Risk 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%
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for mutual fund fees or expenses)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
Dow Jones Moderate Portfolio Index (reflects no deduction for mutual fund fees or expenses)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 13.82% 5.31% 7.32%
Class B      
Prospectus [Line Items]      
Average Annual Return, Percent 9.08% 2.93% 5.31%