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Acquisitions, Divestitures and Other Transactions - Divestitures Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2023 | Aug. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jul. 31, 2021
Divestitures |  |  |  |  |  |  |
Gains/(losses) on asset sales and asset impairments, net |  |  |  | $ 152 | $ (269) | $ (592) |
Proceeds from sales of assets |  |  |  | 328 | 60 | $ 881 |
Deferred losses on hedges remaining in other comprehensive income |  |  |  | $ (10,422) | (10,057) |  |
Assets Sold Primarily Consisted Of Land And Related Assets In Long Beach, California, As Well As Line 901 And The Sisquoc To Pentland Portion Of Line 903 | Disposed of by Sale | (Gains)/Losses On Asset Sales and Asset Impairments, Net |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Gain from sale of assets |  |  |  |  | 61 |  |
Pine Prairie and Southern Pines Natural Gas Storage Facilities | Disposed of by Sale | (Gains)/Losses On Asset Sales and Asset Impairments, Net |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Non-cash impairment losses upon classification to assets held for sale |  |  | $ 475 |  |  |  |
Pine Prairie and Southern Pines Natural Gas Storage Facilities | Held for Sale |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Assets held for sale, current |  |  |  |  |  |  | $ 832
Pine Prairie and Southern Pines Natural Gas Storage Facilities | Held for Sale | Derivative Instruments |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Deferred losses on hedges remaining in other comprehensive income |  |  |  |  |  |  | $ 18
Crude Oil | Assets Sold Primarily Consisted Of Land And Related Assets In Long Beach, California, As Well As Line 901 And The Sisquoc To Pentland Portion Of Line 903 | Disposed of by Sale |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Proceeds from sales of assets |  |  |  |  | 60 |  |
Crude Oil | Pine Prairie and Southern Pines Natural Gas Storage Facilities | Disposed of by Sale |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Proceeds from sales of assets |  | $ 850 |  |  |  |  |
Keyera Fort Saskatchewan Facility |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Non-operated/undivided joint interest rate, sold | 21.00% |  |  |  |  |  |
Proceeds from divestiture of interest in joint venture | $ 270 |  |  |  |  |  |
Gains/(losses) on asset sales and asset impairments, net | $ 140 |  |  |  |  |  |
Keyera Fort Saskatchewan Facility | Other current assets |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |
Assets held-for-sale |  |  |  |  | $ 130 |  |

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