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CONTRACTS AND AGREEMENTS - Additional Information (Details)
$ in Billions
 3 Months Ended
Oct. 01, 2022
Mar. 31, 2023
USD ($)
$ / item
Sep. 30, 2022
USD ($)
Maximum      
Long Duration Contracts Assumptions By Product And Guarantee      
Commissions per round-turn trade, including applicable exchange and NFA fees for Oil Futures Contracts and options on Oil Futures Contracts | $ / item   8  
Minimum      
Long Duration Contracts Assumptions By Product And Guarantee      
Commissions per round-turn trade, including applicable exchange and NFA fees for Oil Futures Contracts and options on Oil Futures Contracts | $ / item   7  
Marketing Agreement      
Long Duration Contracts Assumptions By Product And Guarantee      
Fee percentage   0.06%  
Percentage of total net assets 0.025%    
Marketing Agreement | Maximum      
Long Duration Contracts Assumptions By Product And Guarantee      
Fee percentage   10.00%  
Base amount for determining fee percentage | $   $ 3  
Marketing Agreement | Minimum      
Long Duration Contracts Assumptions By Product And Guarantee      
Fee percentage   0.04%  
Base amount for determining fee percentage | $     $ 3