Cybersecurity Risk Management and Strategy Disclosure	12 Months Ended
Dec. 31, 2025
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]	Pursuant to the Trust Agreement and other operational agreements among the parties, the Custodian is responsible for implementing and maintaining measures to protect the systems on which the Trust’s operational data is stored and processed, including third-party systems, and the information security risks associated with the same. There are no directors, executive officers or other employees of the Trust. The Custodian is required by contract to ensure it has implemented, and requires its critical vendors to implement, cybersecurity and data protection measures that are reasonable and appropriate for the operation of, and enterprise risks facing, the Custodian, which measures also include processes to assess, identify and manage risks from cybersecurity threats that may materially affect the Trust. Such contract requires the Custodian to inform MetLife, Inc., of any actual or reasonably suspected data security incident, including any loss, compromise, unauthorized use, access, or disclosure of information provided to it as contemplated thereunder. During the period covered by this report, the Trust has not identified risks from cybersecurity threats, including as a result of any previous cybersecurity incidents, that have materially affected or are reasonably likely to materially affect the Trust, including its results of operations or financial condition. For further discussion of risks related to cybersecurity, see “Risk Factors —The Custodian or any of its vendors may fail to protect the confidentiality, integrity or availability of systems or data, including Beneficiary confidential information, as a result of a failure in any of their respective cybersecurity or other information security systems, or disaster recovery plans, and any such failure may also adversely affect the Trust’s operations.”
Cybersecurity Risk Management Processes Integrated [Flag]	true
Cybersecurity Risk Management Processes Integrated [Text Block]	Pursuant to the Trust Agreement and other operational agreements among the parties, the Custodian is responsible for implementing and maintaining measures to protect the systems on which the Trust’s operational data is stored and processed, including third-party systems, and the information security risks associated with the same. There are no directors, executive officers or other employees of the Trust. The Custodian is required by contract to ensure it has implemented, and requires its critical vendors to implement, cybersecurity and data protection measures that are reasonable and appropriate for the operation of, and enterprise risks facing, the Custodian, which measures also include processes to assess, identify and manage risks from cybersecurity threats that may materially affect the Trust. Such contract requires the Custodian to inform MetLife, Inc., of any actual or reasonably suspected data security incident, including any loss, compromise, unauthorized use, access, or disclosure of information provided to it as contemplated thereunder.
Cybersecurity Risk Management Third Party Engaged [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]	false

Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]

Pursuant to the Trust Agreement and other operational agreements among the parties, the Custodian is responsible for implementing and maintaining measures to protect the systems on which the Trust’s operational data is stored and processed, including third-party systems, and the information security risks associated with the same. There are no directors, executive officers or other employees of the Trust.

The Custodian is required by contract to ensure it has implemented, and requires its critical vendors to implement, cybersecurity and data protection measures that are reasonable and appropriate for the operation of, and enterprise risks facing, the Custodian, which measures also include processes to assess, identify and manage risks from cybersecurity threats that may materially affect the Trust. Such contract requires the Custodian to inform MetLife, Inc., of any actual or reasonably suspected data security incident, including any loss, compromise, unauthorized use, access, or disclosure of information provided to it as contemplated thereunder.

During the period covered by this report, the Trust has not identified risks from cybersecurity threats, including as a result of any previous cybersecurity incidents, that have materially affected or are reasonably likely to materially affect the Trust, including its results of operations or financial condition. For further discussion of risks related to cybersecurity, see

“Risk Factors —The Custodian or any of its vendors may fail to protect the confidentiality, integrity or availability of systems or data, including Beneficiary confidential information, as a result of a failure in any of their respective cybersecurity or other information security systems, or disaster recovery plans, and any such failure may also adversely affect the Trust’s operations.”

Cybersecurity Risk Management Processes Integrated [Text Block]

Pursuant to the Trust Agreement and other operational agreements among the parties, the Custodian is responsible for implementing and maintaining measures to protect the systems on which the Trust’s operational data is stored and processed, including third-party systems, and the information security risks associated with the same. There are no directors, executive officers or other employees of the Trust.

The Custodian is required by contract to ensure it has implemented, and requires its critical vendors to implement, cybersecurity and data protection measures that are reasonable and appropriate for the operation of, and enterprise risks facing, the Custodian, which measures also include processes to assess, identify and manage risks from cybersecurity threats that may materially affect the Trust. Such contract requires the Custodian to inform MetLife, Inc., of any actual or reasonably suspected data security incident, including any loss, compromise, unauthorized use, access, or disclosure of information provided to it as contemplated thereunder.

Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]

false