Consolidated Statements of Operations - WES Operating - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Revenues and other
Revenues and other	[1]	$ 733,982	$ 758,297
Equity income, net – related parties		39,021	49,607
Operating expenses
Cost of product		51,459	72,848
Operation and maintenance		174,239	128,976
General and administrative		51,117	48,602
Property and other taxes		6,831	18,442
Depreciation and amortization		144,626	134,582
Long-lived asset and other impairments	[2]	52,401	0
Total operating expenses	[3]	480,673	403,450
Gain (loss) on divestiture and other, net		(2,118)	370
Operating income (loss)		290,212	404,824
Interest expense		(81,670)	(85,455)
Other income (expense), net		1,215	106
Income (loss) before income taxes		209,757	319,475
Income tax expense (benefit)		1,416	1,805
Net income (loss)		208,341	317,670
Net income (loss) attributable to noncontrolling interest		4,696	8,953
Net income (loss) attributable to Western Midstream Operating, LP		203,645	308,717
Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		647,867	631,598
Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		46,810	40,867
Product Sales [Member]
Revenues and other
Revenues and other		39,025	85,589
Other [Member]
Revenues and other
Revenues and other		280	243
WES Operating [Member]
Revenues and other
Revenues and other	[4]	733,982	758,297
Equity income, net – related parties		39,021	49,607
Operating expenses
Cost of product		51,459	72,848
Operation and maintenance		174,239	128,976
General and administrative		50,885	47,861
Property and other taxes		6,831	18,442
Depreciation and amortization		144,626	134,582
Long-lived asset and other impairments	[5]	52,401	0
Total operating expenses	[6]	480,441	402,709
Gain (loss) on divestiture and other, net		(2,118)	370
Operating income (loss)		290,444	405,565
Interest expense		(81,670)	(85,455)
Other income (expense), net		1,190	103
Income (loss) before income taxes		209,964	320,213
Income tax expense (benefit)		1,416	1,805
Net income (loss)		208,548	318,408
Net income (loss) attributable to noncontrolling interest		535	2,636
Net income (loss) attributable to Western Midstream Operating, LP		208,013	315,772
WES Operating [Member] | Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		647,867	631,598
WES Operating [Member] | Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		46,810	40,867
WES Operating [Member] | Product Sales [Member]
Revenues and other
Revenues and other		39,025	85,589
WES Operating [Member] | Other [Member]
Revenues and other
Revenues and other		$ 280	$ 243

[1] Total revenues and other includes related-party amounts of $448.8 million and $428.7 million for the three months ended March 31, 2023 and 2022, respectively. See Note 5.

[2] See Note 7.

[3] Total operating expenses includes related-party amounts of $(3.1) million and $(17.6) million for the three months ended March 31, 2023 and 2022, respectively. See Note 5.

[4] Total revenues and other includes related-party amounts of $448.8 million and $428.7 million for the three months ended March 31, 2023 and 2022, respectively. See Note 5.

[5] See Note 7.

[6] Total operating expenses includes related-party amounts of $(1.9) million and $(16.7) million for the three months ended March 31, 2023 and 2022, respectively. See Note 5.