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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Fair Value of Derivative Instruments (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
FAIR VALUE OF FINANCIAL INSTRUMENTS
Derivatives not Accounted for as Hedging Instruments - Futures - Commodity Contracts	$ (10,517,750)	$ 2,601,040

X

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	bno_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration