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Acquisitions, Divestitures and Other Transactions - Joint Venture Transaction (Details) $ in Millions | 1 Months Ended | 12 Months Ended | 15 Months Ended
--- | --- | --- | ---
Oct. 31, 2021 | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($)
Minimum | Customer contracts and relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated useful lives |  | 1 year |  |
Maximum | Customer contracts and relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated useful lives |  | 29 years |  |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Customer contracts and relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated useful lives | 20 years |  |  |
Amortization |  | $ 142 | $ 28 |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Level 3 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable assets acquired and liabilities assumed |  | 3,230 |  | $ 3,230
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, measurement input | 0.1175 |  |  |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow | Intangible Assets |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, measurement input | 0.16 |  |  |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Level 3 | Measurement Input, Market Multiple | Valuation, Market Approach | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, measurement input | 9.5 |  |  |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Level 3 | Measurement Input, Market Multiple | Valuation, Market Approach | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, measurement input | 11.0 |  |  |
Joint Venture Transaction | Plains Oryx Permian Basin LLC | Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Members' Equity |  | 7,529 |  | 7,529
Joint Venture Transaction | Oryx Midstream Holdings LLC | Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consideration transferred |  |  |  | 3,230
Identifiable assets acquired and liabilities assumed |  | 3,230 |  | $ 3,230
Estimated useful lives | 20 years |  |  |
Transaction-related costs |  | $ 17 |  |
Modified Sharing Arrangement | Oryx Midstream Holdings LLC | Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Distribution percentage after termination of modified sharing arrangement |  | 0.65 |  | 0.65
Modified Sharing Arrangement | Oryx Midstream Holdings LLC | Plains Oryx Permian Basin LLC | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Modified revenue sharing arrangement, term |  | 10 years |  |
Modified Sharing Arrangement | Oryx Midstream Holdings LLC | Plains Oryx Permian Basin LLC | Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Distribution percentage after termination of modified sharing arrangement |  | 0.35 |  | 0.35
Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Noncontrolling interest, ownership percentage |  | 35.00% |  | 35.00%
Plains Oryx Permian Basin LLC | Joint Venture Transaction |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consolidated subsidiary, ownership interest held by the parent | 65.00% |  |  |
Plains Oryx Permian Basin LLC | Joint Venture Transaction | Plains Oryx Permian Basin LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Noncontrolling interest, ownership percentage | 35.00% |  |  |
Plains Oryx Permian Basin LLC | Joint Venture Transaction | Oryx Midstream Holdings LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consolidated subsidiary, ownership interest held by the parent | 65.00% |  |  |
PAA | Stonepeak Infrastructure Partners | Stonepeak Infrastructure Partners, Affiliates | Series A Preferred Units |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Ownership interest | 8.90% |  |  |
PAA | Stonepeak Infrastructure Partners | Stonepeak Infrastructure Partners, Affiliates | Maximum | Limited Partners |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Ownership interest | 1.00% |  |  |

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