XML 41 R24.htm IDEA: XBRL DOCUMENT v3.8.0.1
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