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CONTRACTS AND AGREEMENTS (Details)
3 Months Ended
Oct. 01, 2022
Mar. 31, 2025
USD ($)
$ / item
Mar. 31, 2024
USD ($)
Minimum      
CONTRACTS AND AGREEMENTS      
Flat fee   0.20%  
Maximum      
CONTRACTS AND AGREEMENTS      
Flat fee   0.30%  
Open future contract      
CONTRACTS AND AGREEMENTS      
Monthly average volume | $   $ 740,354,553 $ 1,099,028,412
Marketing Agreement | USOF's assets in excess of $4 billion      
CONTRACTS AND AGREEMENTS      
Percentage of total net asset 0.025%    
Ratio of expense to average net assets   10.00%  
Brokerage and Futures Commission Merchant Agreements | Minimum      
CONTRACTS AND AGREEMENTS      
Commissions per round-turn trade, including applicable exchange and NFA fees for oil futures contracts and options on oil futures contracts   7  
Brokerage and Futures Commission Merchant Agreements | Maximum      
CONTRACTS AND AGREEMENTS      
Commissions per round-turn trade, including applicable exchange and NFA fees for oil futures contracts and options on oil futures contracts   8