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v3.21.2

Acquisitions, Divestitures and Other Transactions (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) plant | Dec. 31, 2021 | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain on divestiture of assets |  |  | $ (369) | $ 1 | $ (370) | $ (618) |
Deferred losses on hedges remaining in other comprehensive income | $ 9,495 |  | 9,495 |  | 9,495 |  | $ 9,593
Disposal Group, Held-for-sale, Not Discontinued Operations | Pine Prairie and Southern Pines Natural Gas Storage Facilities | Derivative Instruments |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Deferred losses on hedges remaining in other comprehensive income | 18 |  | 18 |  | 18 |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Pine Prairie and Southern Pines Natural Gas Storage Facilities | Other current assets |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Assets held for sale, current | 832 |  | 832 |  | 832 |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Pine Prairie and Southern Pines Natural Gas Storage Facilities | (Gains)/losses on asset sales and asset impairments, net |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Non-cash impairment losses upon classification to assets held for sale |  |  | 475 |  |  |  |
Facilities | Disposal Group, Held-for-sale, Not Discontinued Operations | Pine Prairie and Southern Pines Natural Gas Storage Facilities |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration to be received for sale of assets | 850 |  | $ 850 |  | $ 850 |  |
Asset Exchange Transaction | Inter Pipeline Ltd | Transportation | (Gains)/losses on asset sales and asset impairments, net |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain on divestiture of assets | 106 |  |  |  |  |  |
Joint Venture Transaction | Oryx Midstream Holdings LLC | Forecast | Plains Oryx Permian Basin LLC |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Ownership percentage |  | 65.00% |  |  |  |  |
Additional Interests in Straddle Plants | Asset Exchange Transaction | Inter Pipeline Ltd |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash consideration, including working capital and other adjustments | $ 32 |  |  |  |  |  |
Additional Interests in Straddle Plants | Asset Exchange Transaction | Inter Pipeline Ltd | Facilities |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Number of straddle plants, additional interests acquired | plant | 2 |  |  |  |  |  |

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