Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues and other
Total revenues and other	[1]	$ 3,843,403	$ 3,605,223	$ 3,106,476
Equity income, net – related parties		85,788	112,385	152,959
Operating expenses
Cost of product		206,978	172,251	164,598
Operation and maintenance		915,896	880,568	762,530
General and administrative		398,922	271,526	232,632
Property and other taxes		69,342	62,668	56,458
Depreciation and amortization		710,778	650,428	600,668
Long-lived asset and other impairments		14,760	6,206	52,884
Total operating expenses	[2]	2,316,676	2,043,647	1,869,770
Gain (loss) on divestiture and other, net		(11,113)	296,771	(10,102)
Operating income (loss)		1,601,402	1,970,732	1,379,563
Interest expense		(390,490)	(378,513)	(348,228)
Gain (loss) on early extinguishment of debt		0	5,403	15,378
Other income (expense), net		16,629	31,741	5,679
Income (loss) before income taxes		1,227,541	1,629,363	1,052,392
Income tax expense (benefit)		15,086	18,111	4,385
Net income (loss)		1,212,455	1,611,252	1,048,007
Net income (loss) attributable to noncontrolling interests		31,472	37,681	25,791
Net income (loss) attributable to Western Midstream Partners, LP		1,180,983	1,573,571	1,022,216
Limited partners' interest in net income (loss):
Net income (loss) attributable to Western Midstream Partners, LP		1,180,983	1,573,571	1,022,216
General partner interest in net (income) loss		(26,485)	(36,604)	(23,684)
Limited partners' interest in net income (loss)	[3]	$ 1,154,498	$ 1,536,967	$ 998,532
Net income (loss) per common unit - basic	[3]	$ 2.99	$ 4.04	$ 2.61
Net income (loss) per common unit - diluted	[3]	$ 2.98	$ 4.02	$ 2.60
Weighted-average common units outstanding - basic	[3]	386,074	380,397	383,028
Weighted-average common units outstanding - diluted	[3]	387,880	382,455	384,408
Service Revenues - Fee Based [Member]
Revenues and other
Total revenues and other		$ 3,453,052	$ 3,248,262	$ 2,768,757
Service Revenues - Product Based [Member]
Revenues and other
Total revenues and other		193,866	215,776	191,727
Product Sales [Member]
Revenues and other
Total revenues and other		194,681	140,100	145,024
Other [Member]
Revenues and other
Total revenues and other		$ 1,804	$ 1,085	$ 968

[1] Total revenues and other includes related-party amounts of $2.3 billion, $2.2 billion, and $1.8 billion for the years ended December 31, 2025, 2024, and 2023, respectively. See Note 6.

[2] Total operating expenses includes related-party amounts of $12.1 million, $(56.5) million, and $(68.0) million for the years ended December 31, 2025, 2024, and 2023, respectively, all primarily related to changes in imbalance positions. See Note 6.

[3] See Note 5.