Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Revenues
Total revenues	$ 326,465		$ 273,502	[1]	$ 935,866		$ 750,670	[1]
Equity income, net	19,063	[2],[3]	4,520	[1],[2],[3]	41,322	[2],[3],[4]	11,944	[1],[2],[3],[4]
Operating expenses
Cost of product	108,393	[5]	93,516	[1],[5]	318,428	[5]	270,059	[1],[5]
Operation and maintenance	53,657	[5]	42,757	[1],[5]	145,064	[5]	121,165	[1],[5]
General and administrative	8,666	[5]	7,962	[1],[5]	26,809	[5]	25,100	[1],[5]
Property and other taxes	6,564		6,649	[1]	20,718		18,520	[1]
Depreciation, amortization and impairments	45,651		37,615	[1]	130,009		106,551	[1]
Total operating expenses	222,931		188,499	[1]	641,028		541,395	[1]
Operating income	122,597		89,523	[1]	336,160		221,219	[1]
Interest income, net - affiliates	4,225	[6]	4,225	[1],[6]	12,675	[6]	12,675	[1],[6]
Interest expense	(20,878)		(13,018)	[1]	(55,703)		(37,483)	[1]
Other income (expense), net	118		466	[1]	849		1,686	[1]
Income before income taxes	106,062		81,196	[1]	293,981		198,097	[1]
Income tax (benefit) expense	278		(27)	[1]	276		4,192	[1]
Net income	105,784		81,223	[1]	293,705		193,905	[1]
Net income attributable to noncontrolling interests	45,832		36,779	[1]	128,958		82,562	[1]
Net income attributable to Western Gas Equity Partners, LP	59,952		44,444		164,747		111,343	[1]
Limited partners' interest in net income:
Pre-acquisition net (income) loss allocated to Anadarko	0		(106)	[1]	956		(4,616)	[1]
Limited partners' interest in net income	59,952	[7]	44,338	[1],[7]	165,703	[7]	106,727	[1],[7]
Affiliated Entity [Member]
Revenues
Gathering, processing and transportation of natural gas and natural gas liquids	104,258		83,606	[1]	288,392		218,680	[1]
Natural gas, natural gas liquids and condensate sales	138,464		129,411	[1]	415,715		371,077	[1]
Other, net	2,778		108	[1]	4,349		1,253	[1]
Total revenues	245,500	[2]	213,125	[1],[2]	708,456	[2]	591,010	[1],[2]
Operating expenses
Cost of product	22,728	[2]	33,753	[2]	74,592	[2]	97,801	[2]
Operation and maintenance	14,556	[8]	13,469	[8]	42,472	[8]	41,021	[8]
General and administrative	6,765	[9]	6,090	[9]	20,402	[9]	17,981	[9]
Total operating expenses	44,049		53,312		137,466		156,803
Third Parties [Member]
Revenues
Gathering, processing and transportation of natural gas and natural gas liquids	64,098		47,175	[1]	182,663		124,791	[1]
Natural gas, natural gas liquids and condensate sales	11,630		11,915	[1]	37,471		31,539	[1]
Other, net	5,237		1,287	[1]	7,276		3,330	[1]
Total revenues	$ 80,965		$ 60,377	[1]	$ 227,410		$ 159,660	[1]
Limited Partner [Member] | Common Units [Member]
Limited partners' interest in net income:
Net income per common unit - basic and diluted	$ 0.27		$ 0.20	[1]	$ 0.76		$ 0.49	[1]
Weighted average common units outstanding - basic and diluted	218,903		218,896	[1]	218,903		218,896	[1]

[1] Financial information has been recast to include the financial position and results attributable to the TEFR Interests. See Note 1 and Note 2.

[2] Represents amounts earned or incurred on and subsequent to the date of acquisition of WES assets, as well as amounts earned or incurred by Anadarko on a historical basis related to WES assets prior to the acquisition of such assets by WES, recognized under gathering, treating or processing agreements, and purchase and sale agreements.

[3] Income earned from equity investments is classified as affiliate. See Note 1.

[4] Income earned on, distributions from and contributions to equity investments are classified as affiliate. See Note 1.

[5] Cost of product includes product purchases from Anadarko (as defined in Note 1) of $22.7 million and $74.6 million for the three and nine months ended September 30, 2014, respectively, and $33.8 million and $97.8 million for the three and nine months ended September 30, 2013, respectively. Operation and maintenance includes charges from Anadarko of $14.6 million and $42.5 million for the three and nine months ended September 30, 2014, respectively, and $13.5 million and $41.0 million for the three and nine months ended September 30, 2013, respectively. General and administrative includes charges from Anadarko of $6.8 million and $20.4 million for the three and nine months ended September 30, 2014, respectively, and $6.1 million and $18.0 million for the three and nine months ended September 30, 2013, respectively. See Note 5.

[6] Represents interest income recognized on the note receivable from Anadarko.

[7] Represents net income earned on and subsequent to the date of acquisition of WES assets (as defined in Note 1). See Note 4.

[8] Represents expenses incurred on and subsequent to the date of the acquisition of WES assets, as well as expenses incurred by Anadarko on a historical basis related to WES assets prior to the acquisition of such assets by WES.

[9] Represents general and administrative expense incurred on and subsequent to the date of WES’s acquisition of WES assets, as well as a management services fee for reimbursement of expenses incurred by Anadarko for periods prior to the acquisition of WES assets by WES. These amounts include equity-based compensation expense allocated to WES and WGP by Anadarko (see WES LTIP and WGP LTIP and Anadarko Incentive Plans within this Note 5) and amounts charged by Anadarko under the WGP omnibus agreement.