Consolidated Statements of Operations - WES Operating - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Revenues and other
Revenues and other	[1]	$ 758,297	$ 674,974
Equity income, net – related parties		49,607	52,165
Operating expenses
Cost of product		72,848	88,969
Operation and maintenance		128,976	140,332
General and administrative		48,602	45,116
Property and other taxes		18,442	14,384
Depreciation and amortization		134,582	130,553
Long-lived asset and other impairments		0	14,866
Total operating expenses	[2]	403,450	434,220
Gain (loss) on divestiture and other, net		370	(583)
Operating income (loss)		404,824	292,336
Interest expense		(85,455)	(98,493)
Gain (loss) on early extinguishment of debt		0	(289)
Other income (expense), net		106	(1,207)
Income (loss) before income taxes		319,475	192,347
Income tax expense (benefit)		1,805	1,112
Net income (loss)		317,670	191,235
Net income (loss) attributable to noncontrolling interest		8,953	5,444
Net income (loss) attributable to Western Midstream Operating, LP		308,717	185,791
Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		631,598	572,275
Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		40,867	31,652
Product Sales [Member]
Revenues and other
Revenues and other		85,589	70,805
Other [Member]
Revenues and other
Revenues and other		243	242
WES Operating [Member]
Revenues and other
Revenues and other	[3]	758,297	674,974
Equity income, net – related parties		49,607	52,165
Operating expenses
Cost of product		72,848	88,969
Operation and maintenance		128,976	140,332
General and administrative		47,861	44,230
Property and other taxes		18,442	14,384
Depreciation and amortization		134,582	130,553
Long-lived asset and other impairments		0	14,866
Total operating expenses	[4]	402,709	433,334
Gain (loss) on divestiture and other, net		370	(583)
Operating income (loss)		405,565	293,222
Interest expense		(85,455)	(98,493)
Gain (loss) on early extinguishment of debt		0	(289)
Other income (expense), net		103	(1,210)
Income (loss) before income taxes		320,213	193,230
Income tax expense (benefit)		1,805	1,112
Net income (loss)		318,408	192,118
Net income (loss) attributable to noncontrolling interest		2,636	1,633
Net income (loss) attributable to Western Midstream Operating, LP		315,772	190,485
WES Operating [Member] | Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		631,598	572,275
WES Operating [Member] | Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		40,867	31,652
WES Operating [Member] | Product Sales [Member]
Revenues and other
Revenues and other		85,589	70,805
WES Operating [Member] | Other [Member]
Revenues and other
Revenues and other		$ 243	$ 242

[1] Total revenues and other includes related-party amounts of $428.7 million and $378.3 million for the three months ended March 31, 2022 and 2021, respectively. See Note 5.

[2] Total operating expenses includes related-party amounts of $(17.6) million and $39.9 million for the three months ended March 31, 2022 and 2021, respectively. See Note 5.

[3] Total revenues and other includes related-party amounts of $428.7 million and $378.3 million for the three months ended March 31, 2022 and 2021, respectively. See Note 5.

[4] Total operating expenses includes related-party amounts of $(16.7) million and $40.4 million for the three months ended March 31, 2022 and 2021, respectively. See Note 5.