XML 17 R21.htm IDEA: XBRL DOCUMENT
v3.20.1

CONTRACTS AND AGREEMENTS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
CONTRACTS AND AGREEMENTS |
Brokerage Commission | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months | ​ | For the three months |
​ | ​ | ended | ​ | ended |
​ |  | March 31, 2020 |  | March 31, 2019 |
Total commissions accrued to brokers | ​ | $ | 973,154 | ​ | $ | 697,934 | ​
Total commissions as annualized percentage of average total net assets | ​ |  | 0.26 | % |  | 0.17 | %
Commissions accrued as a result of rebalancing | ​ | $ | 559,981 | ​ | $ | 611,920 | ​
Percentage of commissions accrued as a result of rebalancing | ​ |  | 57.54 | % |  | 87.68 | %
Commissions accrued as a result of creation and redemption activity | ​ | $ | 413,173 | ​ | $ | 86,014 | ​
Percentage of commissions accrued as a result of creation and redemption activity | ​ |  | 42.46 | % |  | 12.32 | %

X
- References No definition available. + Details
Name: | us-gaap_ContractorsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of fees earned by the broker commission. + References No definition available. + Details
Name: | uso_BrokerageCommissionsTableTextBlock
Namespace Prefix: | uso_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration