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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of valuation of BNO'S securities (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	$ 75,000,000	$ 76,785,000
Exchange-Traded Futures Contracts
Foreign Contracts	2,601,040	(1,181,530)
Level I
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	75,000,000	76,785,000
Exchange-Traded Futures Contracts
Foreign Contracts	2,601,040	(1,181,530)
Level II
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	0	0
Exchange-Traded Futures Contracts
Foreign Contracts	0	0
Level III
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	0	0
Exchange-Traded Futures Contracts
Foreign Contracts	$ 0	$ 0

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Amount of unrealized gain (loss) on open commodity futures contracts.

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