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Investments in Unconsolidated Entities (Tables)

12 Months Ended

Dec. 31, 2017

Equity Method Investments and Joint Ventures [Abstract]

Investments in and summarized financial information for entities accounted for under the equity method of accounting

Our investments in unconsolidated entities consisted of the following (in millions, except percentage data):

				Ownership Interest at December 31, 2017		December 31,
Entity (1)		Type of Operation				2017				2016
Advantage Pipeline Holdings LLC (“Advantage Joint Venture”)		Crude Oil Pipeline		50%		$	69			$	—
BridgeTex Pipeline Company, LLC (“BridgeTex”)		Crude Oil Pipeline		50%		1,093				1,098
Butte Pipe Line Company		Crude Oil Pipeline		N/A		—				11
Caddo Pipeline LLC		Crude Oil Pipeline		50%		67				65
Cheyenne Pipeline LLC (“Cheyenne”)		Crude Oil Pipeline		50%		29				30
Diamond Pipeline LLC (“Diamond”)		Crude Oil Pipeline		50%		467				143
Eagle Ford Pipeline LLC (“Eagle Ford Pipeline”)		Crude Oil Pipeline		50%		378				372
Eagle Ford Terminals Corpus Christi LLC (“Eagle Ford Terminals”)		Crude Oil Terminal and Dock (2)		50%		75				53
Frontier Aspen LLC		Crude Oil Pipeline		N/A		—				45
Midway Pipeline LLC		Crude Oil Pipeline		50%		20				—
Saddlehorn Pipeline Company, LLC		Crude Oil Pipeline		40%		217				213
Settoon Towing, LLC		Barge Transportation Services		50%		69				87
STACK Pipeline LLC (“STACK”)		Crude Oil Pipeline		50%		73				14
White Cliffs Pipeline, LLC		Crude Oil Pipeline		36%		199				212
Total Investments in Unconsolidated Entities						$	2,756			$	2,343

⁽¹⁾  Except for Eagle Ford Terminals, which is reported in our Facilities segment, the financial results from the entities are reported in our Transportation segment.

⁽²⁾  Asset is currently under construction by the entity and has not yet been placed in service.

Combined summarized financial information for all of our unconsolidated entities is shown in the tables below (in millions). None of our unconsolidated entities have noncontrolling interests.

	December 31,
	2017				2016
Current assets	$	311			$	303
Noncurrent assets	$	4,162			$	3,558
Current liabilities	$	129			$	241
Noncurrent liabilities	$	41			$	162

	Year Ended December 31,
	2017				2016				2015
Revenues	$	938			$	802			$	769
Operating income	$	650			$	469			$	441
Net income	$	640			$	452			$	424

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- Definition

Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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