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CONTRACTS AND AGREEMENTS (Tables) | 3 Months Ended
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Mar. 31, 2018
Contractors [Abstract] |
Brokerage Commission | USO also incurs commissions to brokers for the purchase and sale of Oil Futures Contracts, Other Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
|  | For the three months ended March 31, 2018 |  |  | For the three months ended March 31, 2017 |
Total commissions accrued to brokers |  | $ | 694,480 |  |  | $ | 1,161,407 |
Total commissions as annualized percentage of average total net assets |  |  | 0.14 | % |  |  | 0.16 | %
Commissions accrued as a result of rebalancing |  | $ | 575,146 |  |  | $ | 1,060,043 |
Percentage of commissions accrued as a result of rebalancing |  |  | 82.82 | % |  |  | 91.27 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 119,334 |  |  | $ | 101,364 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 17.18 | % |  |  | 8.73 | %

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- Definition Tabular disclosure of fees earned by the broker commission. + References No definition available. + Details
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