XML 18 R4.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Condensed Schedule of Investments (Unaudited) | Sep. 30, 2022 USD ($) contract
--- | ---
Number of contracts | contract | 2,336 |
United States - Money Market Funds | Cash Equivalents |  |
% of Partners' Capital | 36.70% |
Market Value | $ 72,985,000 |
Dreyfus Institutional Preferred Government Money Market Fund - Institutional Shares, 2.99% | United States - Money Market Funds | Cash Equivalents |  |
% of Partners' Capital | 27.40% | [1]
Shares/Principal Amount | $ 54,485,000 | [1]
Market Value | $ 54,485,000 | [1]
Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 2.80% | United States - Money Market Funds | Cash Equivalents |  |
% of Partners' Capital | 9.30% | [1]
Shares/Principal Amount | $ 18,500,000 | [1]
Market Value | 18,500,000 | [1]
ICE Brent Crude Futures CO December 2022 contracts, expiring October 2022 | United Kingdom Contracts | Open Commodity Futures Contracts - Long |  |
Notional Amount | $ 209,388,590 | [2]
Number of contracts | contract | 2,336 | [2]
Fair Value/Unrealized Gain (Loss) on Open Commodity Contracts | $ (10,501,550) | [2]
% of Partners' Capital | (5.28%) | [2]
[1] | Reflects the 7-day yield at September 30, 2022
[2] | Collateral amounted to $134,761,553 on open commodity futures contracts

X
- Definition Percentage of Partners Capital. + References No definition available. + Details
Name: | bno_PercentageOfPartnersCapital
Namespace Prefix: | bno_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unrealized gain (loss) on open commodity futures and cleared swap contracts. + References No definition available. + Details
Name: | bno_UnrealizedGainLossOnOpenCommodityFuturesAndClearedSwapContracts
Namespace Prefix: | bno_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5D -Subparagraph (SX 210.12-13D(Column C)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 + Details
Name: | us-gaap_InvestmentOwnedAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Balance held at close of period in number of contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14.Column B) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column B)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12.Column B) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611133-123010 + Details
Name: | us-gaap_InvestmentOwnedBalanceContracts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition For investments which are quantified by principal amount, the principle balance held at close of period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column B)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 + Details
Name: | us-gaap_InvestmentOwnedBalancePrincipalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nominal or face amount on the investment owned. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 10 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6438156&loc=d3e57880-113973 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 10 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6431724&loc=d3e32938-113948 + Details
Name: | us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=bno_DreyfusInstitutionalPreferredGovernmentMoneyMarketFundInstitutionalSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=bno_MorganStanleyInstitutionalLiquidityFundsGovernmentPortfolioInstitutionalShares2.80Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=bno_IceBrentCrudeFuturesCoDecember2022ContractsExpiringOctober2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=bno_OpenCommodityFuturesContractsLongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |