XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.23.2

FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Fair Value of Derivative Instruments (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Condensed Statements of Financial Condition Location | Assets |
Derivatives not Accounted for as Hedging Instruments | $ (1,288,300) | $ 15,246,200

X
- Definition Amount of unrealized gain (loss) on open commodity futures contracts. + References No definition available. + Details
Name: | bno_UnrealizedGainLossOnOpenCommodityFuturesContractsCurrentAndNoncurrent
Namespace Prefix: | bno_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
Name: | us-gaap_DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration