Consolidated Statement of Equity and Partners' Capital (USD $) In Thousands		Total	Chipeta Processing Limited Liability Company [Member]		Western Gas Partners [Member]	IPO [Member]	Net Investment by Anadarko [Member]	Net Investment by Anadarko [Member] Chipeta Processing Limited Liability Company [Member]		Net Investment by Anadarko [Member] IPO [Member]	Common Units [Member]	Common Units [Member] IPO [Member]	Noncontrolling Interests [Member]	Noncontrolling Interests [Member] Chipeta Processing Limited Liability Company [Member]		Noncontrolling Interests [Member] Western Gas Partners [Member]
Balance at Dec. 31, 2011		$ 1,559,928					$ 621,847				$ 0		$ 938,081
Net income (loss)		120,557					58,567				2,809		59,181
Issuance of common units, net of offering expenses		409,903									409,903
Dividend payable - Anadarko	[1]	(158,791)					(158,791)
WES equity transactions, net	[2]	211,932					52,875				(173,787)		332,844
Contributions received from Chipeta noncontrolling interest owners		29,108											29,108
Distributions to noncontrolling interest owners			(17,303)		(99,570)									(17,303)		(99,570)
Acquisitions from affiliates		(458,764)	(121,104)	[3]			(458,764)	(43,909)	[3]					(77,195)	[3]
Contributions of equity-based compensation to WES by Anadarko	[4]	87,057					86,673						384
Net pre-acquisition contributions from (distributions to) Anadarko		363,977					363,977
Net distributions to Anadarko of other assets		(15,296)					(15,275)						(21)
Conversion of net investment by Anadarko to limited partner interest upon IPO						0				(673,451)		673,451
Elimination of net deferred tax liabilities		106,504				373,353	106,504			373,353
Other		2,528					(6)						2,534
Balance at Dec. 31, 2012		2,394,019					313,600				912,376		1,168,043
Net income (loss)		281,878					4,177				155,528		122,173
WES equity transactions, net	[2]	724,811									187,016		537,795
Contributions received from Chipeta noncontrolling interest owners		2,247											2,247
Distributions to noncontrolling interest owners			(13,127)		(130,706)									(13,127)		(130,706)
Distributions to WGP unitholders		(137,000)									(137,000)
Acquisitions from affiliates		(465,500)					(255,635)				(209,865)
Contributions of equity-based compensation to WES by Anadarko	[4]	2,932									2,846		86
Net pre-acquisition contributions from (distributions to) Anadarko	[5]	203,420					203,420
Net distributions to Anadarko of other assets		(5,855)									(5,855)
Elimination of net deferred tax liabilities		46,530					46,530
Other		381									36		345
Balance at Dec. 31, 2013		2,904,030					312,092				905,082		1,686,856
Net income (loss)		387,379					(956)				222,867		165,468
WES equity transactions, net	[2]	691,417									351,510		339,907
WES Class C unit issuance		750,000											750,000
Distributions to noncontrolling interest owners			(15,149)		(176,344)									(15,149)		(176,344)
Distributions to WGP unitholders		(228,481)									(228,481)
Acquisitions from affiliates		(356,250)					(372,784)				16,534
Contributions of equity-based compensation to WES by Anadarko	[4]	3,041									3,041
Net pre-acquisition contributions from (distributions to) Anadarko	[5]	23,488					23,488
Net distributions to Anadarko of other assets		(10,733)									(10,733)
Elimination of net deferred tax liabilities		38,160					38,160
Other		792									375		417
Balance at Dec. 31, 2014		$ 4,011,350					$ 0				$ 1,260,195		$ 2,751,155

[1] Associated with the Incentive Plan. See Note 6.

[2] Includes the impact of WES’s public equity offerings and units issued in connection with acquisitions of assets from Anadarko as described in Note 2. The $351.5 million and $187.0 million increase to partners’ capital, together with net income attributable to Western Gas Equity Partners, LP totaled $573.4 million and $346.7 million, for the years ended December 31, 2014 and 2013, respectively. The $120.9 million decrease to partners’ capital, together with net income attributable to Western Gas Equity Partners, LP, totaled $(59.5) million for the year ended December 31, 2012.

[3] See Note 2 for a description of WES’s acquisition of Anadarko’s then-remaining 24% membership interest in Chipeta in August 2012. The $43.9 million decrease to partners’ capital resulting from the August 2012 Chipeta acquisition, together with net income attributable to Western Gas Equity Partners, LP, totaled $17.5 million for the year ended December 31, 2012.

[4] Associated with the Anadarko Incentive Plans for the years ended December 31, 2014, 2013 and 2012 and the Incentive Plan for the year ended December 31, 2012, as defined and described in Note 1 and Note 6.

[5] Includes deferred taxes on capitalized interest of $0.3 million and $5.5 million associated with the acquisition of the TEFR Interests (as defined and described in Note 1) for the years ended December 31, 2014 and 2013, respectively.