Statements of Cash Receipts and Disbursements (Parenthetical) - USD ($)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Number of Trust Units Outstanding	277,712	277,712
Reserve fund for potential future expenses which have not yet been incurred	$ 63,932

Represents amounts which otherwise would have been distributed to Unit Holders, except that the Trustees decided to reserve such amounts for potential future administrative expense and liabilities.

No definition available.

Name:	mmtrs_ReserveFundForPotentialFutureExpensesWhichHaveNotYetBeenIncurred
Namespace Prefix:	mmtrs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant