Consolidated Statements of Operations - WES Operating - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues and other
Revenues and other	[1]	$ 738,273	$ 876,419	$ 1,472,255	$ 1,634,716
Equity income, net – related parties		42,324	48,464	81,345	98,071
Operating expenses
Cost of product		44,746	148,556	96,205	221,404
Operation and maintenance		183,431	168,153	357,670	297,129
General and administrative		53,405	47,848	104,522	96,450
Property and other taxes		18,547	22,662	25,378	41,104
Depreciation and amortization		143,492	139,036	288,118	273,618
Long-lived asset and other impairments	[2]	234	90	52,635	90
Total operating expenses	[3]	443,855	526,345	924,528	929,795
Gain (loss) on divestiture and other, net		(70)	(1,150)	(2,188)	(780)
Operating income (loss)		336,672	397,388	626,884	802,212
Interest expense		(86,182)	(80,772)	(167,852)	(166,227)
Gain (loss) on early extinguishment of debt		6,813	91	6,813	91
Other income (expense), net		2,872	(45)	4,087	61
Income (loss) before income taxes		260,175	316,662	469,932	636,137
Income tax expense (benefit)		659	1,491	2,075	3,296
Net income (loss)		259,516	315,171	467,857	632,841
Net income (loss) attributable to noncontrolling interest		6,595	8,854	11,291	17,807
Net income (loss) attributable to Western Midstream Operating, LP		252,921	306,317	456,566	615,034
Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		661,506	655,952	1,309,373	1,287,550
Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		46,956	70,498	93,766	111,365
Product Sales [Member]
Revenues and other
Revenues and other		29,659	149,736	68,684	235,325
Other [Member]
Revenues and other
Revenues and other		152	233	432	476
WES Operating [Member]
Revenues and other
Revenues and other	[4]	738,273	876,419	1,472,255	1,634,716
Equity income, net – related parties		42,324	48,464	81,345	98,071
Operating expenses
Cost of product		44,746	148,556	96,205	221,404
Operation and maintenance		183,431	168,153	357,670	297,129
General and administrative		52,219	47,227	103,104	95,088
Property and other taxes		18,547	22,662	25,378	41,104
Depreciation and amortization		143,492	139,036	288,118	273,618
Long-lived asset and other impairments	[5]	234	90	52,635	90
Total operating expenses	[6]	442,669	525,724	923,110	928,433
Gain (loss) on divestiture and other, net		(70)	(1,150)	(2,188)	(780)
Operating income (loss)		337,858	398,009	628,302	803,574
Interest expense		(86,182)	(80,772)	(167,852)	(166,227)
Gain (loss) on early extinguishment of debt		6,813	91	6,813	91
Other income (expense), net		2,743	(49)	3,933	54
Income (loss) before income taxes		261,232	317,279	471,196	637,492
Income tax expense (benefit)		659	1,491	2,075	3,296
Net income (loss)		260,573	315,788	469,121	634,196
Net income (loss) attributable to noncontrolling interest		1,410	2,587	1,945	5,223
Net income (loss) attributable to Western Midstream Operating, LP		259,163	313,201	467,176	628,973
WES Operating [Member] | Service Revenues - Fee Based [Member]
Revenues and other
Revenues and other		661,506	655,952	1,309,373	1,287,550
WES Operating [Member] | Service Revenues - Product Based [Member]
Revenues and other
Revenues and other		46,956	70,498	93,766	111,365
WES Operating [Member] | Product Sales [Member]
Revenues and other
Revenues and other		29,659	149,736	68,684	235,325
WES Operating [Member] | Other [Member]
Revenues and other
Revenues and other		$ 152	$ 233	$ 432	$ 476

[1] Total revenues and other includes related-party amounts of $441.6 million and $890.4 million for the three and six months ended June 30, 2023, respectively, and $456.8 million and $885.5 million for the three and six months ended June 30, 2022, respectively. See Note 5.

[2] See Note 7.

[3] Total operating expenses includes related-party amounts of $(14.1) million and $(17.2) million for the three and six months ended June 30, 2023, respectively, and $(11.2) million and $(28.8) million for the three and six months ended June 30, 2022, respectively, all primarily related to changes in imbalance positions. See Note 5.

[4] Total revenues and other includes related-party amounts of $441.6 million and $890.4 million for the three and six months ended June 30, 2023, respectively, and $456.8 million and $885.5 million for the three and six months ended June 30, 2022, respectively. See Note 5.

[5] See Note 7.

[6] Total operating expenses includes related-party amounts of $(13.4) million and $(15.3) million for the three and six months ended June 30, 2023, respectively, and $(10.5) million and $(27.2) million for the three and six months ended June 30, 2022, respectively, all primarily related to changes in imbalance positions. See Note 5.