XML 44 R30.htm IDEA: XBRL DOCUMENT
v3.23.2

FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of valuation of BNO'S securities (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | $ 93,985,000 | $ 97,035,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (1,288,300) | 15,246,200
Level I |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 93,985,000 | 97,035,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (1,288,300) | 15,246,200
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

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

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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_ShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |