XML 42 R27.htm IDEA: XBRL DOCUMENT
v3.23.1

CONTRACTS AND AGREEMENTS - Brokerage commission (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
CONTRACTS AND AGREEMENTS |  |
Brokerage commissions | $ 175,146 | $ 223,929
Commission |  |
CONTRACTS AND AGREEMENTS |  |
Brokerage commissions | $ 175,146 | $ 223,929
Percentage of commissions | 0.04% | 0.03%

X
- Definition The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees. + References No definition available. + Details
Name: | us-gaap_FloorBrokerageExchangeAndClearanceFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of percentage of commissions accrued. + References No definition available. + Details
Name: | uso_PercentageOfCommissionsAccrued
Namespace Prefix: | uso_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_NatureOfExpenseAxis=uso_CommissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |