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CONTRACTS AND AGREEMENTS (Tables) | 9 Months Ended
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Sep. 30, 2016
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 nine months ended September 30, 2016 |  |  | For the nine months ended September 30, 2015 |
Total commissions accrued to brokers |  | $ | 5,376,805 |  |  | $ | 3,609,509 |
Total commissions as an annualized percentage of average total net assets |  |  | 0.21 | % |  |  | 0.20 | %
Commissions accrued as a result of rebalancing |  | $ | 4,920,092 |  |  | $ | 2,972,195 |
Percentage of commissions accrued as a result of rebalancing |  |  | 91.51 | % |  |  | 82.34 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 456,713 |  |  | $ | 637,314 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 8.49 | % |  |  | 17.66 | %

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