XML 33 R18.htm IDEA: XBRL DOCUMENT
v3.5.0.2

CONTRACTS AND AGREEMENTS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Contractors [Abstract] |
Brokerage Commissions | BNO also incurs commissions to brokers for the purchase and sale of Futures Contracts, Other Crude Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
|  | For the nine months ended September 30, 2016 |  |  | For the nine months ended September 30, 2015 |
Total commissions accrued to brokers |  | $ | 130,670 |  |  | $ | 83,780 |
Total commissions as an annualized percentage of average net assets |  |  | 0.16 | % |  |  | 0.12 | %
Commissions accrued as a result of rebalancing |  | $ | 127,245 |  |  | $ | 78,277 |
Percentage of commissions accrued as a result of rebalancing |  |  | 97.38 | % |  |  | 93.43 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 3,425 |  |  | $ | 5,503 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 2.62 | % |  |  | 6.57 | %

X
- Definition Tabular disclosure of fees earned by the broker commission. + References No definition available. + Details
Name: | bno_BrokerageCommissionsTableTextBlock
Namespace Prefix: | bno_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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