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CONTRACTS AND AGREEMENTS (Details) - $ / item
 3 Months Ended
Oct. 01, 2022
Mar. 31, 2025
Minimum    
CONTRACTS AND AGREEMENTS    
Commissions per round-turn trade, including applicable exchange and NFA fees for Futures Contracts and options on Futures Contracts   7
Percentage of flat fee   0.20%
Maximum    
CONTRACTS AND AGREEMENTS    
Commissions per round-turn trade, including applicable exchange and NFA fees for Futures Contracts and options on Futures Contracts   8
Percentage of flat fee   0.30%
USNG's assets in excess of $3 billion | Marketing Agreement    
CONTRACTS AND AGREEMENTS    
Fee percentage   10.00%
Percentage of total net assets 0.025%