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ORGANIZATION AND BUSINESS (Details Textual) | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 02, 2010 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2016 $ / shares | Dec. 31, 2015 $ / shares | Dec. 31, 2014 $ / shares | May 31, 2010 shares
Units Issued During Period To Authorized Purchasers Through Distributors |  | 50,000 |  |  |  |
Transaction Fee | $ |  | $ 350 |  |  |  |
Initially Registered Units Of Entity With Sec |  |  |  |  |  | 50,000,000
Net asset value per unit | $ / shares | $ 50.00 | $ 18.18 | $ 15.7 | $ 12.22 | $ 22.39 |
Initial stock units issued | 200,000 |  |  |  |  |
Initial Units Value, Issued | $ | $ 10,000,000 |  |  |  |  |
Total Units Registered Of Entity |  | 50,000,000 |  |  |  |
Number of Units Per Baskets |  | 50,000 |  |  |  |
Open Futures Contracts - Long [Member] | Foreign Contracts [Member] | ICE Brent Crude Oil Futures CO March 2018 contracts, expiring January 2018 [Member] |  |  |  |  |  |
Number of Contracts |  | 1,414 |  |  |  |

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