XML 44 R31.htm IDEA: XBRL DOCUMENT v3.26.1
Derivative Instruments - Fair Value of Derivative Instruments (Detail) - Currency Futures Contracts [Member] - Not Designated as Hedging Instrument [Member] - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Assets [1]   $ 503,597
Liabilities [1] $ (1,075,051)  
[1] Includes cumulative appreciation (depreciation) of currency futures contracts. Only the current day’s variation margin receivable (payable) is reported in the Statements of Financial Condition, if any.