XML 44 R28.htm IDEA: XBRL DOCUMENT v3.20.2

CONTRACTS AND AGREEMENTS -Brokerage Commission (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Brokerage commissions	$ 783,270	$ 616,021	$ 5,462,795	$ 1,895,834
Commission
Brokerage commissions			$ 5,462,795	$ 1,895,834
Percentage of average daily net assets	0.22%	0.17%	0.22%	0.17%
Rebalancing Investments Transaction
Brokerage commissions			$ 4,508,991	$ 1,602,426
Percentage of average daily net assets	82.54%	84.52%	82.54%	84.52%
Creation And Redemption Activity
Brokerage commissions			$ 953,804	$ 293,408
Percentage of average daily net assets	17.46%	15.48%	17.46%	15.48%

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

Percentage of Average Daily Net Assets

+ References

No definition available.

+ Details

Name:	uso_PercentageOfAverageDailyNetAssets
Namespace Prefix:	uso_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

Name:	us-gaap_NatureOfExpenseAxis=uso_RebalancingInvestmentsTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_NatureOfExpenseAxis=uso_TradesNecessitatedByCreationAndRedemptionActivityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: