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v2.4.1.9

Condensed Schedule of Investments [Parenthetical] (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2015
Collateral amount on open futures contracts | 17,978,914 bno_CollateralAmountOnOpenFuturesContracts
Cash Equivalents [Member] | U.S. Treasury Bills,0.05%, 4/23/2015 [Member] |
Interest rate | 0.05%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0054232015Member
Expiration date | 4/23/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.07, 5/21/2015 [Member] |
Interest rate | 0.07%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0075212015Member
Expiration date | 5/21/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.10, 6/25/2015 [Member] |
Interest rate | 0.10%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0106252015Member
Expiration date | 6/25/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.05, 7/09/2015 [Member] |
Interest rate | 0.05%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0057092015Member
Expiration date | 7/09/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.08, 7/23/2015 [Member] |
Interest rate | 0.08%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0087232015Member
Expiration date | 7/23/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.06, 7/30/2015 [Member] |
Interest rate | 0.06%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0067302015Member
Expiration date | 7/30/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.06, 8/06/2015 [Member] |
Interest rate | 0.06%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0068062015Member
Expiration date | 8/06/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.07, 8/13/2015 [Member] |
Interest rate | 0.07%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0078132015Member
Expiration date | 8/13/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.07, 8/20/2015 [Member] |
Interest rate | 0.07%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0078202015Member
Expiration date | 8/20/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.07, 8/27/2015 [Member] |
Interest rate | 0.07%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0078272015Member
Expiration date | 8/27/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.08, 9/03/2015 [Member] |
Interest rate | 0.08%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0089032015Member
Expiration date | 9/03/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.10, 9/10/2015 [Member] |
Interest rate | 0.10%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0109102015Member
Expiration date | 9/10/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.12, 9/17/2015 [Member] |
Interest rate | 0.12%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0129172015Member
Expiration date | 9/17/2015
Cash Equivalents [Member] | U.S. Treasury Bills,0.11, 9/24/2015 [Member] |
Interest rate | 0.11%us-gaap_DebtInstrumentInterestRateStatedPercentage / invest_InvestmentAxis = us-gaap_CashEquivalentsMember / invest_InvestmentSecuritiesSeriesAxis = bno_UsTreasuryBills0119242015Member
Expiration date | 9/24/2015
Open Futures Contracts - Long [Member] | ICE Brent Crude Oil Futures C0 May 2015 contracts, expiring April 15, 2015 [Member] |
Expiration date | April 15, 2015

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