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Property, Plant and Equipment and Intangible Assets - Property, Plant and Equipment (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 20,313.1 | $ 20,185.0
Accumulated depreciation, amortization and impairment | (8,316.5) | (8,011.4)
Property, plant and equipment, net | 11,996.6 | 12,173.6
Intangible assets | 2,643.5 | 2,643.5
Accumulated amortization and impairment | (1,326.6) | (1,261.1)
Intangible assets, net | $ 1,316.9 | 1,382.4
Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 10 years |
Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 20 years |
Gathering Systems [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 9,205.4 | 9,216.1
Gathering Systems [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 5 years |
Gathering Systems [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 20 years |
Processing and Fractionation Facilities [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 6,275.4 | 6,276.8
Processing and Fractionation Facilities [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 5 years |
Processing and Fractionation Facilities [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 25 years |
Terminaling and Storage Facilities [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 1,313.0 | 1,555.1
Terminaling and Storage Facilities [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 5 years |
Terminaling and Storage Facilities [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 25 years |
Transportation Assets [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 2,616.0 | 2,567.7
Transportation Assets [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 10 years |
Transportation Assets [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 50 years |
Other Property, Plant and Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 331.0 | 32.4
Other Property, Plant and Equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 3 years |
Other Property, Plant and Equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | 50 years |
Land [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 160.8 | 160.8
Construction in Progress [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | 358.6 | 324.3
Finance Lease Right-of-Use Assets [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 52.9 | $ 51.8

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