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Property, Plant and Equipment, Impairments (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | $ 217.7 | $ 589.8 | $ 51.1
Total asset impairment charges | 232.8 | 890.6 | 132.8
Proceeds from asset sales | 64.3 | 12.8 | 20.6
Reclassification of construction in progress to other assets |  | 311.7 |
Midland-to-Echo 4 Pipeline [Member] | Crude Oil Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 0.0 | 42.2 |
Coal bed natural gas gathering system and related Val Verde treating facility [Member] | Natural Gas Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 37.5 |  |
Impairment of intangible assets | 6.8 |  |
Impairment of long-lived assets held for sale | 44.3 |  |
Proceeds from asset sales | 39.1 |  |
South Texas natural gas gathering and processing assets [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment |  | 124.7 |
Impairment of intangible assets |  | 1.0 |
Total asset impairment charges |  | 125.7 |
South Texas natural gas gathering and processing assets [Member] | NGL Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 0.0 | 86.9 | 15.6
South Texas natural gas gathering and processing assets [Member] | Natural Gas Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 0.0 | 37.8 |
Marine transportation business [Member] | Petrochemical & Refined Products Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 112.5 | 252.1 |
Impairment of intangible assets | 1.7 | 4.6 |
Total asset impairment charges | $ 114.2 | $ 256.7 |
Marine transportation business [Member] | Petrochemical & Refined Products Services [Member] | Measurement input, growth rate [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Long-lived asset, measurement input | 0.022 | 0.021 |
Marine transportation business [Member] | Petrochemical & Refined Products Services [Member] | Measurement input, discount rate [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Long-lived asset, measurement input | 0.087 | 0.093 |
Other [Member] | NGL Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | $ 20.2 | $ 121.2 | 23.5
Other [Member] | Crude Oil Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 14.6 | 3.3 | 2.6
Other [Member] | Natural Gas Pipelines & Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | 18.9 | 5.5 | 4.8
Other [Member] | Petrochemical & Refined Products Services [Member] |  |  |
Asset Impairment Charges [Abstract] |  |  |
Impairment of property, plant and equipment | $ 14.0 | $ 40.8 | $ 4.6

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