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Property, Plant and Equipment and Intangible Assets - Property, Plant and Equipment (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 20,316.2 | $ 19,876.8
Accumulated depreciation, amortization and impairment | (7,898.8) | (5,328.3)
Property, plant and equipment, net | 12,417.4 | 14,548.5
Intangible assets | 2,643.5 | 2,643.5
Accumulated amortization and impairment | (1,190.7) | (908.5)
Intangible assets, net | $ 1,452.8 | 1,735.0
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 | $ 9,117.8 | 8,976.8
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 | $ 5,672.8 | 5,143.0
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 | $ 1,498.7 | 1,495.5
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 | $ 2,316.3 | 2,292.4
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 | $ 196.4 | 184.1
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 | 25 years |
Land [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 159.2 | 159.7
Construction in Progress [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | 1,304.0 | 1,576.5
Finance Lease Right-of-Use Assets [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment | $ 51.0 | $ 48.8

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