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Equity and Distributions, Noncontrolling Interests (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Breviloba LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	$ 440.7
Pascagoula Gas Processing LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	$ 36.0
Whitehorn Pipeline Company LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Increase from Sale of Parent Equity Interest		$ 189.6
Altus Midstream Processing LP [Member] | Breviloba LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	33.00%
Third Coast Midstream, LLC [Member] | Pascagoula Gas Processing LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	25.00%
Lavaca Pipe Line Company [Member] | Baymark Pipeline LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	30.00%
Western Gas Partners, LP [Member] | Whitehorn Pipeline Company LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%
Navigator Ethylene Terminals LLC [Member] | Enterprise Navigator Ethylene Terminal LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	50.00%

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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