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CONTRACTS AND AGREEMENTS - Additional Information (Details) $ in Billions		12 Months Ended
	Oct. 01, 2022	Dec. 31, 2022 USD ($) $ / item
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 | Maximum
Long Duration Contracts Assumptions By Product And Guarantee
Fee percentage		10.00%
Marketing Agreement | USL's assets up to $3 billion
Long Duration Contracts Assumptions By Product And Guarantee
Fee percentage		0.06%
Marketing Agreement | USL's assets up to $3 billion | Maximum
Long Duration Contracts Assumptions By Product And Guarantee
Base amount for determining fee percentage | $		$ 3
Marketing Agreement | USL's assets in excess of $3 billion
Long Duration Contracts Assumptions By Product And Guarantee
Fee percentage		0.04%
Percentage of total net assets	0.025%
Marketing Agreement | USL's assets in excess of $3 billion | Minimum
Long Duration Contracts Assumptions By Product And Guarantee
Base amount for determining fee percentage | $		$ 3

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