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ORGANIZATION AND BUSINESS (Details)
 1 Months Ended 9 Months Ended 12 Months Ended
Jun. 02, 2010
USD ($)
$ / shares
shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
Sep. 30, 2018
$ / shares
Dec. 31, 2017
$ / 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 $ 18.09 $ 15.18 $ 23.28 $ 18.18  
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        
ICE Brent Crude Oil Futures CO December 2019 Contracts Expiring October 2019 [Member]            
Number of Contracts   1,298