Consolidated Statements of Operations - WES Operating - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues and other
Revenues and other	[1]	$ 876,419	$ 719,131	$ 1,634,716	$ 1,394,105
Equity income, net – related parties		48,464	58,666	98,071	110,831
Operating expenses
Cost of product		148,556	78,044	221,404	167,013
Operation and maintenance		168,153	153,028	297,129	293,360
General and administrative		47,848	44,448	96,450	89,564
Property and other taxes		22,662	17,967	41,104	32,351
Depreciation and amortization		139,036	137,849	273,618	268,402
Long-lived asset and other impairments		90	12,738	90	27,604
Total operating expenses	[2]	526,345	444,074	929,795	878,294
Gain (loss) on divestiture and other, net		(1,150)	1,225	(780)	642
Operating income (loss)		397,388	334,948	802,212	627,284
Interest expense		(80,772)	(95,290)	(166,227)	(193,783)
Gain (loss) on early extinguishment of debt		91	0	91	(289)
Other income (expense), net		(45)	84	61	(1,123)
Income (loss) before income taxes		316,662	239,742	636,137	432,089
Income tax expense (benefit)		1,491	1,465	3,296	2,577
Net income (loss)		315,171	238,277	632,841	429,512
Net income (loss) attributable to noncontrolling interest		8,854	7,018	17,807	12,462
Net income (loss) attributable to Western Midstream Operating, LP		306,317	231,259	615,034	417,050
Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		655,952	618,985	1,287,550	1,191,260
Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		70,498	27,803	111,365	59,455
Product Sales [Member]
Revenues and other
Revenues and other		149,736	72,256	235,325	143,061
Other [Member]
Revenues and other
Revenues and other		233	87	476	329
WES Operating [Member]
Revenues and other
Revenues and other	[3]	876,419	719,131	1,634,716	1,394,105
Equity income, net – related parties		48,464	58,666	98,071	110,831
Operating expenses
Cost of product		148,556	78,044	221,404	167,013
Operation and maintenance		168,153	153,028	297,129	293,360
General and administrative		47,227	42,848	95,088	87,078
Property and other taxes		22,662	17,967	41,104	32,351
Depreciation and amortization		139,036	137,849	273,618	268,402
Long-lived asset and other impairments		90	12,738	90	27,604
Total operating expenses	[4]	525,724	442,474	928,433	875,808
Gain (loss) on divestiture and other, net		(1,150)	1,225	(780)	642
Operating income (loss)		398,009	336,548	803,574	629,770
Interest expense		(80,772)	(95,290)	(166,227)	(193,783)
Gain (loss) on early extinguishment of debt		91	0	91	(289)
Other income (expense), net		(49)	82	54	(1,128)
Income (loss) before income taxes		317,279	241,340	637,492	434,570
Income tax expense (benefit)		1,491	1,465	3,296	2,577
Net income (loss)		315,788	239,875	634,196	431,993
Net income (loss) attributable to noncontrolling interest		2,587	2,264	5,223	3,897
Net income (loss) attributable to Western Midstream Operating, LP		313,201	237,611	628,973	428,096
WES Operating [Member] | Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		655,952	618,985	1,287,550	1,191,260
WES Operating [Member] | Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		70,498	27,803	111,365	59,455
WES Operating [Member] | Product Sales [Member]
Revenues and other
Revenues and other		149,736	72,256	235,325	143,061
WES Operating [Member] | Other [Member]
Revenues and other
Revenues and other		$ 233	$ 87	$ 476	$ 329

[1] Total revenues and other includes related-party amounts of $456.8 million and $885.5 million for the three and six months ended June 30, 2022, respectively, and $415.4 million and $793.7 million for the three and six months ended June 30, 2021, respectively. See Note 6.

[2] Total operating expenses includes related-party amounts of $(11.2) million and $(28.8) million for the three and six months ended June 30, 2022, respectively, and $29.0 million and $68.8 million for the three and six months ended June 30, 2021, respectively. See Note 6.

[3] Total revenues and other includes related-party amounts of $456.8 million and $885.5 million for the three and six months ended June 30, 2022, respectively, and $415.4 million and $793.7 million for the three and six months ended June 30, 2021, respectively. See Note 6.

[4] Total operating expenses includes related-party amounts of $(10.5) million and $(27.2) million for the three and six months ended June 30, 2022, respectively, and $29.6 million and $69.9 million for the three and six months ended June 30, 2021, respectively. See Note 6.