Consolidated Statements of Operations - WES Operating - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues and other
Total revenues and other	[1]	$ 952,484	$ 883,362	$ 2,811,922	$ 2,676,720
Equity income, net – related parties		16,847	23,977	64,410	84,227
Operating expenses
Cost of product		51,187	32,847	135,360	132,936
Operation and maintenance		212,385	231,066	663,528	649,324
General and administrative		64,119	64,726	197,051	195,498
Property and other taxes		15,725	12,635	51,356	43,984
Depreciation and amortization		170,323	166,015	512,896	487,438
Long-lived asset and other impairments		11,562	4,651	12,251	6,204
Total operating expenses	[2]	525,301	511,940	1,572,442	1,515,384
Gain (loss) on divestiture and other, net		(2,470)	467	(8,048)	299,426
Operating income (loss)		441,560	395,866	1,295,842	1,544,989
Interest expense		(92,353)	(94,149)	(284,816)	(279,177)
Gain (loss) on early extinguishment of debt		0	0	0	5,403
Other income (expense), net		1,754	9,565	12,923	16,124
Income (loss) before income taxes		350,961	311,282	1,023,949	1,287,339
Income tax expense (benefit)		2,089	15,390	7,763	17,667
Net income (loss)		348,872	295,892	1,016,186	1,269,672
Net income (loss) attributable to noncontrolling interest		9,257	7,412	25,884	29,714
Net income (loss) attributable to Western Midstream Operating, LP		339,615	288,480	990,302	1,239,958
Service Revenues - Fee Based [Member]
Revenues and other
Total revenues and other		868,253	814,319	2,542,869	2,389,366
Service Revenues - Product Based [Member]
Revenues and other
Total revenues and other		33,919	49,115	143,613	177,321
Product Sales [Member]
Revenues and other
Total revenues and other		50,129	19,673	124,878	109,076
Other [Member]
Revenues and other
Total revenues and other		183	255	562	957
WES Operating [Member]
Revenues and other
Total revenues and other	[3]	952,484	883,362	2,811,922	2,676,720
Equity income, net – related parties		16,847	23,977	64,410	84,227
Operating expenses
Cost of product		51,187	32,847	135,360	132,936
Operation and maintenance		212,385	231,066	663,528	649,324
General and administrative		63,780	64,017	196,599	193,497
Property and other taxes		15,725	12,635	51,356	43,984
Depreciation and amortization		170,323	166,015	512,896	487,438
Long-lived asset and other impairments		11,562	4,651	12,251	6,204
Total operating expenses	[4]	524,962	511,231	1,571,990	1,513,383
Gain (loss) on divestiture and other, net		(2,470)	467	(8,048)	299,426
Operating income (loss)		441,899	396,575	1,296,294	1,546,990
Interest expense		(92,353)	(94,149)	(284,816)	(279,177)
Gain (loss) on early extinguishment of debt		0	0	0	5,403
Other income (expense), net		1,707	9,498	12,781	15,930
Income (loss) before income taxes		351,253	311,924	1,024,259	1,289,146
Income tax expense (benefit)		2,089	15,390	7,763	17,667
Net income (loss)		349,164	296,534	1,016,496	1,271,479
Net income (loss) attributable to noncontrolling interest		2,316	1,509	5,660	4,364
Net income (loss) attributable to Western Midstream Operating, LP		346,848	295,025	1,010,836	1,267,115
WES Operating [Member] | Service Revenues - Fee Based [Member]
Revenues and other
Total revenues and other		868,253	814,319	2,542,869	2,389,366
WES Operating [Member] | Service Revenues - Product Based [Member]
Revenues and other
Total revenues and other		33,919	49,115	143,613	177,321
WES Operating [Member] | Product Sales [Member]
Revenues and other
Total revenues and other		50,129	19,673	124,878	109,076
WES Operating [Member] | Other [Member]
Revenues and other
Total revenues and other		$ 183	$ 255	$ 562	$ 957

[1] Total revenues and other includes related-party amounts of $586.0 million and $1.7 billion for the three and nine months ended September 30, 2025, respectively, and $545.2 million and $1.6 billion for the three and nine months ended September 30, 2024, respectively. See Note 6.

[2] Total operating expenses includes related-party amounts of $3.2 million and $(16.2) million for the three and nine months ended September 30, 2025, respectively, and $(12.1) million and $(37.7) million for the three and nine months ended September 30, 2024, respectively. See Note 6.

[3] Total revenues and other includes related-party amounts of $586.0 million and $1.7 billion for the three and nine months ended September 30, 2025, respectively, and $545.2 million and $1.6 billion for the three and nine months ended September 30, 2024, respectively. See Note 6.

[4] Total operating expenses includes related-party amounts of $4.1 million and $(12.9) million for the three and nine months ended September 30, 2025, respectively, and $(11.2) million and $(34.7) million for the three and nine months ended September 30, 2024, respectively. See Note 6.