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ORGANIZATION AND BUSINESS (Details) |  | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 28, 2020 $ / shares shares | Apr. 10, 2006 USD ($) $ / shares shares | Dec. 31, 2020 $ / shares $ / item shares | Dec. 31, 2019 $ / shares | Dec. 31, 2018 $ / shares | [1] | Dec. 31, 2017 $ / shares | [1]
Organization, Consolidation and Presentation of Financial Statements Disclosure |  |  |  |  |  |  |  |  |
Fee paid by Authorized Purchasers for each order placed to create one or more Creation Baskets or to redeem one or more baskets | $ / item |  |  |  | 1,000 |  |  |  |  |
Limited Partners' Capital Account, Units Authorized |  |  | 17,000,000 | 5,627,000,000 |  |  |  |  |
Net asset value per unit | $ / shares |  |  | $ 67.39 | $ 33.07 | [1] | $ 102.27 | [1],[2] | $ 76.68 | $ 96.63
Limited Partners' Capital Account, Units Issued |  |  | 200,000 |  |  |  |  |  |
Value of units issued | $ |  |  | $ 13,479,000 |  |  |  |  |  |
Reverse share split |  | 0.125 |  |  |  |  |  |  |
Creation Baskets |  |  |  |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure |  |  |  |  |  |  |  |  |
Number of units per basket |  |  |  | 100,000 |  |  |  |  |
Redemption Baskets |  |  |  |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure |  |  |  |  |  |  |  |  |
Number of units per basket |  |  |  | 100,000 |  |  |  |  |
USO |  |  |  |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure |  |  |  |  |  |  |  |  |
Number of shares issued |  | 1,482,900,000 |  | 185,362,500 |  |  |  |  |
Number of shares outstanding |  | 1,482,900,000 |  | 185,362,500 |  |  |  |  |
Net asset value per unit | $ / shares |  | $ 2.04 |  | $ 16.35 |  |  |  |  |
Open Futures Contracts- Long | United States Contracts | NYMEX WTI Crude Oil Futures CL February 2020 contracts, expiring January 2020 |  |  |  |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure |  |  |  |  |  |  |  |  |
Number of Contracts | [3] |  |  |  |  | 19,178 |  |  |
[1] | On April 28, 2020, there was a 1-for-8 reverse share split. The Financial Highlights have been adjusted for the periods shown to reflect the 1-for-8 reverse share split on a retroactive basis.
[2] | On April 28, 2020, there was a 1-for-8 reverse share split. The Statements of Financial Condition have been adjusted for the periods shown to reflect the 1-for-8 reverse share split on a retroactive basis
[3] | Collateral amounted to $723,771,439 on open commodity futures contracts.

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