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Derivative Instruments - Fair Value of Derivative Instruments (Detail) - Currency Futures Contracts [Member] - Not Designated as Hedging Instrument [Member] - USD ($)		Dec. 31, 2025	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Assets	[1]	$ 503,597
Liabilities	[1]		$ (929,793)
[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.

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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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