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Property, Plant and Equipment, Impairments (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  | $ 41 | $ 218 | $ 590
Total asset impairment charges |  | 53 | 233 | 890
Proceeds from asset sales and other matters |  | 122 | 64 | 13
South Texas natural gas gathering and processing assets [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  |  | 125
Impairment of intangible assets |  |  |  | 1
Total asset impairment charges |  |  |  | 126
NGL Pipelines & Services [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment | [1] | 23 | 20 | 208
NGL Pipelines & Services [Member] | South Texas natural gas processing assets [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  |  | 87
Crude Oil Pipelines & Services [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment | [2] | 3 | 15 | 45
Crude Oil Pipelines & Services [Member] | Midland-to-Echo 4 Pipeline [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  |  | 42
Natural Gas Pipelines & Services [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment | [3] | 6 | 56 | 44
Natural Gas Pipelines & Services [Member] | Coal bed natural gas gathering system and related Val Verde treating facility [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  | 37 |
Impairment of intangible assets |  |  | 7 |
Total asset impairment charges |  |  | 44 |
Proceeds from asset sales and other matters |  |  | 39 |
Natural Gas Pipelines & Services [Member] | South Texas natural gas gathering assets [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  |  | 38
Petrochemical & Refined Products Services [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment | [4] | $ 9 | 127 | 293
Petrochemical & Refined Products Services [Member] | Marine transportation business [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment of property, plant and equipment |  |  | 113 | 252
Impairment of intangible assets |  |  | 1 | 5
Total asset impairment charges |  |  | $ 114 | $ 257
Petrochemical & Refined Products Services [Member] | Marine transportation business [Member] | Measurement input, growth rate [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Long-lived asset, measurement input |  |  | 0.022 | 0.021
Petrochemical & Refined Products Services [Member] | Marine transportation business [Member] | Measurement input, discount rate [Member] |  |  |  |
Asset Impairment Charges [Abstract] |  |  |  |
Long-lived asset, measurement input |  |  | 0.087 | 0.093
[1] | 2020 amount includes an $87 million non-cash impairment charges associated with our South Texas processing assets.
[2] | 2020 amount includes a $42 million non-cash impairment charge associated with the cancellation of our Midland-to-ECHO 4 Pipeline construction project.
[3] | 2021 amount includes a $37 million non-cash impairment charge associated with the sale of components of our San Juan Gathering System. 2020 amount includes a $38 million non-cash impairment charge associated with our South Texas gathering assets.
[4] | 2021 and 2020 amounts include non-cash impairment charges of $113 million and $252 million, respectively, associated with our marine transportation business.

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