XML 19 R4.htm IDEA: XBRL DOCUMENT
v3.23.1

Condensed Schedule of Investments | Mar. 31, 2023 USD ($) contract
--- | ---
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ (14,154,681) |
Open Commodity Futures Contracts - Long | UNITED STATES |  |
Notional Amount | $ 1,367,953,511 |
Number of Contracts | contract | 17,998 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ (14,154,681) |
% of Partners' Capital | (0.87%) |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL May 2023 contracts, expiring April 2023 |  |
Notional Amount | $ 270,480,490 |
Number of Contracts | contract | 3,578 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ 266,770 |
% of Partners' Capital | 0.02% |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL June 2023 contracts, expiring May 2023 |  |
Notional Amount | $ 283,335,250 |
Number of Contracts | contract | 3,572 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ (12,577,650) |
% of Partners' Capital | (0.77%) |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL July 2023 contracts, expiring June 2023 |  |
Notional Amount | $ 202,272,360 |
Number of Contracts | contract | 2,682 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ 835,500 |
% of Partners' Capital | 0.05% |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL August 2023 contracts, expiring July 2023 |  |
Notional Amount | $ 202,968,400 |
Number of Contracts | contract | 2,692 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ 116,080 |
% of Partners' Capital | 0.01% |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL September 2023 contracts, expiring August 2023 |  |
Notional Amount | $ 135,331,750 |
Number of Contracts | contract | 1,805 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ 43,250 |
% of Partners' Capital | 0.00% |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL October 2023 contracts, expiring September 2023 |  |
Notional Amount | $ 67,413,184 |
Number of Contracts | contract | 908 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ 241,896 |
% of Partners' Capital | 0.01% |
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL December 2023 contracts, expiring November 2023 |  |
Notional Amount | $ 206,152,077 |
Number of Contracts | contract | 2,761 |
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts | $ (3,080,527) |
% of Partners' Capital | (0.19%) |
Cash Equivalents | United States Money Market Funds |  |
Market Value | $ 195,450,000 |
% of Partners' Capital | 11.99% |
Cash Equivalents | United States Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 4.73% |  |
Shares/Principal Amount | $ 195,450,000 |
Market Value | $ 195,450,000 |
% of Partners' Capital | 11.99% |
Open OTC Commodity Swap Contracts |  |
Notional amount of Open OTC Commodity Swap Contracts | $ 276,853,851 |
Fair Value/Open Commodity Swap Contracts | 276,851,900 |
Unrealized Gain (Loss) on Commodity Swap Contracts | $ (1,951) | [1]
Open OTC Commodity Swap Contracts | Societe Generale | SGIXCWTI Index |  |
Percentage of Fund Pays Counterparty | 0.25% | [2]
Notional amount of Open OTC Commodity Swap Contracts | $ 116,987,126 | [2]
Fair Value/Open Commodity Swap Contracts | 116,986,314 | [2]
Unrealized Gain (Loss) on Commodity Swap Contracts | $ (812) | [1],[2]
Open OTC Commodity Swap Contracts | Macquarie Bank Ltd. | MQCP361E Index |  |
Percentage of Fund Pays Counterparty | 0.26% | [2]
Notional amount of Open OTC Commodity Swap Contracts | $ 159,866,725 | [2]
Fair Value/Open Commodity Swap Contracts | 159,865,586 | [2]
Unrealized Gain (Loss) on Commodity Swap Contracts | $ (1,139) | [1],[2]
[1] | Reflects the value at reset date of March 31, 2023.
[2] | Custom index comprised of a basket of underlying instruments.

X
- Definition Cost of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 + Details
Name: | us-gaap_InvestmentOwnedAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5D -Subparagraph (SX 210.12-13D(Column C)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 + Details
Name: | us-gaap_InvestmentOwnedAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Balance held at close of period in number of contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14.Column B) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column B)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12.Column B) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611133-123010 + Details
Name: | us-gaap_InvestmentOwnedBalanceContracts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition For investments which are quantified by principal amount, the principle balance held at close of period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column B)) -URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 + Details
Name: | us-gaap_InvestmentOwnedBalancePrincipalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nominal or face amount on the investment owned. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 10 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6438156&loc=d3e57880-113973 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 10 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6431724&loc=d3e32938-113948 + Details
Name: | us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of Fair Value or Open Commodity Swap Contracts. + References No definition available. + Details
Name: | uso_FairValueOrOpenCommoditySwapContracts
Namespace Prefix: | uso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of fund pays counterparty. + References No definition available. + Details
Name: | uso_PercentageOfFundPaysCounterparty
Namespace Prefix: | uso_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of Partners Capital + References No definition available. + Details
Name: | uso_PercentageOfPartnersCapital
Namespace Prefix: | uso_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unrealized gain (loss) on commodity swap contracts. + References No definition available. + Details
Name: | uso_UnrealizedGainLossOnCommoditySwapContracts
Namespace Prefix: | uso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unrealized gain (loss) on open commodity futures contracts. + References No definition available. + Details
Name: | uso_UnrealizedGainLossOnOpenCommodityFuturesContracts
Namespace Prefix: | uso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentTypeAxis=uso_OpenCommodityFuturesContractsLongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClMay2023ContractsExpiringApril2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClJune2023ContractsExpiringMay2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClJuly2023ContractsExpiringJune2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClAugust2023ContractsExpiringJuly2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClSeptember2023ContractsExpiringAugust2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClOctober2023ContractsExpiringSeptember2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uso_NymexWtiCrudeOilFuturesClDecember2023ContractsExpiringNovember2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=uso_MorganStanleyInstitutionalLiquidityFundGovernmentPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=uso_OpenOtcCommoditySwapContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=uso_SocieteGeneraleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TransactionTypeAxis=uso_SgixcwtiIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=uso_MacquarieBankLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TransactionTypeAxis=uso_Mqcp361eIndexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |