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v2.4.1.9

Condensed Statements of Cash Flows (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash Flows from Operating Activities: |  |
Net income (loss) | $ (2,629,411)us-gaap_NetIncomeLoss | $ (435,090)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
(Increase) decrease in commodity futures trading account - cash and cash equivalents | (8,826,163)us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities | (2,897,576)us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities
Unrealized (gain) loss on futures contracts | 4,188,770 us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts | 276,270 us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts
(Increase) decrease in receivable from General Partner | 66,639 us-gaap_IncreaseDecreaseDueFromOfficersAndStockholders | 49,912 us-gaap_IncreaseDecreaseDueFromOfficersAndStockholders
(Increase) decrease in dividends receivable | (314)us-gaap_IncreaseDecreaseInDividendsReceivable | 421 us-gaap_IncreaseDecreaseInDividendsReceivable
(Increase) decrease in directors' fees and insurance receivable | (1,502)us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties | (2,671)us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties
(Increase) decrease in ETF transaction fees receivable | 700 us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables | 0 us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables
Increase (decrease) in General Partner management fees payable | 42,941 bno_IncreaseDecreaseManagementFeesPayable | (1,081)bno_IncreaseDecreaseManagementFeesPayable
Increase (decrease) in professional fees payable | (48,113)bno_IncreaseDecreaseInProfessionalFeesPayable | (99,762)bno_IncreaseDecreaseInProfessionalFeesPayable
Increase (decrease) in brokerage commissions payable | 2,860 us-gaap_IncreaseDecreaseInPayablesToBrokerDealers | (110)us-gaap_IncreaseDecreaseInPayablesToBrokerDealers
Increase (decrease) in directors' fees and insurance payable | (338)us-gaap_IncreaseDecreaseInDueToOfficersAndStockholders | (209)us-gaap_IncreaseDecreaseInDueToOfficersAndStockholders
Net cash provided by (used in) operating activities | (7,203,931)us-gaap_NetCashProvidedByUsedInOperatingActivities | (3,109,896)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows from Financing Activities: |  |
Addition of partnership shares | 70,948,692 us-gaap_ProceedsFromPartnershipContribution | 10,745,769 us-gaap_ProceedsFromPartnershipContribution
Redemption of partnership shares | (2,041,445)bno_PaymentsToPartnershipRedemption | (10,799,701)bno_PaymentsToPartnershipRedemption
Net cash provided by (used in) financing activities | 68,907,247 us-gaap_NetCashProvidedByUsedInFinancingActivities | (53,932)us-gaap_NetCashProvidedByUsedInFinancingActivities
Net Increase (Decrease) in Cash and Cash Equivalents | 61,703,316 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (3,163,828)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and Cash Equivalents, beginning of period | 36,408,502 us-gaap_CashAndCashEquivalentsAtCarryingValue | 25,257,312 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and Cash Equivalents, end of period | $ 98,111,818 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 22,093,484 us-gaap_CashAndCashEquivalentsAtCarryingValue

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