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ORGANIZATION AND BUSINESS (Details)
 1 Months Ended 3 Months Ended
Jun. 02, 2010
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
contract
$ / shares
shares
Dec. 31, 2020
$ / shares
Jun. 11, 2020
shares
Apr. 20, 2020
shares
Mar. 31, 2020
$ / shares
Dec. 31, 2019
$ / shares
May 31, 2010
shares
Number of successive valuation days   30 days            
Average daily percentage change in the price of the Benchmark Futures Contract considered   10.00%            
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 $ 15.84 $ 12.91     $ 7.97 $ 20.91  
Initial stock units issued 200,000              
Initial units value issued | $ $ 10,000,000              
Total units registered of entity   250,000,000   150,000,000 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 | contract   5,278