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CONTRACTS AND AGREEMENTS (Tables) | 6 Months Ended
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Jun. 30, 2017
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 six months ended June 30, 2017 |  |  | For the six months ended June 30, 2016 |
Total commissions accrued to brokers |  | $ | 2,526,521 |  |  | $ | 3,832,708 |
Total commissions as an annualized percentage of average total net assets |  |  | 0.18 | % |  |  | 0.22 | %
Commissions accrued as a result of rebalancing |  | $ | 2,238,003 |  |  | $ | 3,504,380 |
Percentage of commissions accrued as a result of rebalancing |  |  | 88.58 | % |  |  | 91.43 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 288,518 |  |  | $ | 328,328 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 11.42 | % |  |  | 8.57 | %

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