v3.26.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 20, 2026
Cover [Abstract]    
Document Type 10-K  
Entity Registrant Name MetLife Policyholder Trust  
Document Annual Report true  
Document Period End Date Dec. 31, 2025  
Document Transition Report false  
Entity File Number 000-30195  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 51-6516897  
Entity Address, Address Line One 1100 North Market Street  
Entity Address, City or Town Wilmington,  
Entity Address, State or Province DE  
Entity Address, Postal Zip Code 19890  
City Area Code (302)  
Local Phone Number 651-1000  
Title of 12(g) Security Beneficial interests in the MetLife Policyholder Trust  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Central Index Key 0001110795  
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Entity Shell Company false  
Trust Interests   104,740,099
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus FY  
Current Fiscal Year End Date --12-31  
Entity Public Float $ 0  
Documents Incorporated by Reference [Text Block]
DOCUMENTS INCORPORATED BY REFERENCE: NONE