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Quarterly Financial Data (Unaudited) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Income (Loss) | $ 1,205,810 | $ 3,544,437 | $ (2,878,492) |  | $ 786,724 |  | $ 402,647 |  | $ 7,650,429 |  | $ (10,655,004) |  | $ 7,523,732 |  | $ 2,658,479 | $ 4,921,804 |  | $ 6,841,813 |
Total Expenses | 107,271 | 125,487 | 123,951 |  | 121,859 |  | 135,105 |  | 147,750 |  | 130,211 |  | 146,662 |  |  |  |  |  |
Expense Waivers | (30,176) | (20,958) | (14,651) |  | (14,868) |  | (18,231) |  | (10,169) |  | (10,782) |  | (8,066) |  | 80,653 | 47,248 |  | 104,431 |
Net Expenses | 77,095 | 104,529 | 109,300 |  | 106,991 |  | 116,874 |  | 137,581 |  | 119,429 |  | 138,596 |  |  |  |  |  |
Net Income (Loss) | $ 1,128,715 | $ 3,439,908 | $ (2,987,792) |  | $ 679,733 |  | $ 285,773 |  | $ 7,512,848 |  | $ (10,774,433) |  | $ 7,385,136 |  | $ 2,260,564 | $ 4,409,324 |  | $ 6,444,350 |
Net Income (Loss) per Share | $ 1.42 | $ 3.51 | $ (2.75) | [1] | $ 0.66 | [1] | $ 0.38 | [1] | $ 5.92 | [1] | $ (8.47) | [1] | $ 5.88 | [1] | $ 2.83 | $ 3.71 | [2] | $ 5.73 | [2]
[1] | Adjusted to give effect to the forward share split of 2-for-1 paid after close of markets on August 28, 2013.
[2] | On August 26, 2013, the United States Brent Oil Fund, LP executed a 2-for-1 forward share split for all shareholders of record as of the close of markets on August 26, 2013. The 2-for-1 forward share split was payable after the close of markets on August 28, 2013. United States Brent Oil Fund, LP began trading its post-share split price on August 29, 2013. The Statements of Operations have been adjusted for the period shown to reflect the 2-for-1 forward share split on a retroactive basis.

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