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Acquisitions, Divestitures and Other Transactions - Partners' Capital (Details) - Plains Oryx Permian Basin LLC - Joint Venture Transaction - USD ($) $ in Millions | 12 Months Ended | 15 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022
Business Acquisition [Line Items] |  |  |
Partners' capital impact of business combination | $ (26) | $ 3,256 |
Noncontrolling Interests |  |  |
Business Acquisition [Line Items] |  |  |
Partners' capital impact of business combination | (16) | 2,651 |
Partners’ Capital Excluding Noncontrolling Interests |  |  |
Business Acquisition [Line Items] |  |  |
Partners' capital impact of business combination | $ (10) | $ 605 | $ 595
Oryx Midstream Holdings LLC | Noncontrolling Interests |  |  |
Business Acquisition [Line Items] |  |  |
Plains Oryx Permian Basin LLC joint venture formation |  |  | 2,635
Oryx Midstream Holdings LLC |  |  |
Business Acquisition [Line Items] |  |  |
Partners' capital impact of business combination |  |  | $ 3,230

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