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Statements of Financial Condition (USD $) | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Assets |  |  |
Cash and cash equivalents (Note 5) | $ 29,961,706 | $ 9,140,476 | [1]
Equity in UBS Securities LLC trading accounts: |  |  |
Cash and cash equivalents | 8,300,817 | 3,169,218 |
Unrealized gain (loss) on open commodity futures contracts | (916,570) | 322,660 |
Receivable from General Partner (Note 3) | 104,431 | 113,715 |
Dividend receivable | 340 | 286 |
Interest receivable | 11 |  |
Other assets | 278 |  |
Total assets | 37,451,013 | 12,746,355 |
Liabilities and Partners' Capital |  |  |
Professional fees payable | 146,522 | 122,904 |
General Partner management fees payable (Note 3) | 33,910 | 7,803 |
Brokerage commissions payable | 916 | 416 |
Other liabilities | 1,277 | 201 |
Total liabilities | 182,625 | 131,324 |
Commitments and Contingencies (Notes 3, 4, and 5) |  |  |
Partners' Capital |  |  |
General Partner |  |  |
Limited Partners | 37,268,388 | 12,615,031 |
Total Partners' Capital | 37,268,388 | 12,615,031 |
Total liabilities and partners' capital | $ 37,451,013 | $ 12,746,355 |
Limited Partners' units outstanding | 500,000 | 200,000 |
Net asset value per unit | $ 74.54 | $ 63.08 |
Market value per unit | $ 74.64 | $ 62.45 |
[1] | The commencement of operations of the United States Brent Oil Fund, LP was June 2, 2010.

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- Definition The amount of ownership interest of different classes of partners in limited partnership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 80 -Subparagraph Exhibit 4-8, 3 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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