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Consolidated Statements of Operations - WES Operating - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenues and other    
Total revenues and other [1] $ 1,123,579 $ 917,116
Equity income, net – related parties 14,776 20,435
Operating expenses    
Cost of product 102,884 41,492
Operation and maintenance 264,241 226,514
General and administrative 75,150 66,786
Property and other taxes 19,486 17,826
Depreciation and amortization 200,426 170,460
Long-lived asset and other impairments 608 3
Total operating expenses [2] 662,795 523,081
Gain (loss) on divestiture and other, net [3] (6,367) (4,667)
Operating income (loss) 469,193 409,803
Interest expense (113,390) (97,293)
Other income (expense), net 6,730 7,477
Income (loss) before income taxes 362,533 319,987
Income tax expense (benefit) 3,501 3,435
Net income (loss) 359,032 316,552
Net income (loss) attributable to noncontrolling interest 8,756 7,545
Net income (loss) attributable to Western Midstream Operating, LP 350,276 309,007
Service Revenues - Fee Based [Member]    
Revenues and other    
Total revenues and other 933,302 823,197
Service Revenues - Product Based [Member]    
Revenues and other    
Total revenues and other 88,767 59,252
Product Sales [Member]    
Revenues and other    
Total revenues and other 99,616 34,469
Other [Member]    
Revenues and other    
Total revenues and other 1,894 198
WES Operating [Member]    
Revenues and other    
Total revenues and other [4] 1,123,579 917,116
Equity income, net – related parties 14,776 20,435
Operating expenses    
Cost of product 102,884 41,492
Operation and maintenance 264,241 226,514
General and administrative 74,805 66,974
Property and other taxes 19,486 17,826
Depreciation and amortization 200,426 170,460
Long-lived asset and other impairments 608 3
Total operating expenses [5] 662,450 523,269
Gain (loss) on divestiture and other, net [6],[7] (6,367) (4,667)
Operating income (loss) 469,538 409,615
Interest expense (113,390) (97,293)
Other income (expense), net 6,640 7,431
Income (loss) before income taxes 362,788 319,753
Income tax expense (benefit) 126 3,435
Net income (loss) 362,662 316,318
Net income (loss) attributable to noncontrolling interest 1,929 1,242
Net income (loss) attributable to Western Midstream Operating, LP 360,733 315,076
WES Operating [Member] | Service Revenues - Fee Based [Member]    
Revenues and other    
Total revenues and other 933,302 823,197
WES Operating [Member] | Service Revenues - Product Based [Member]    
Revenues and other    
Total revenues and other 88,767 59,252
WES Operating [Member] | Product Sales [Member]    
Revenues and other    
Total revenues and other 99,616 34,469
WES Operating [Member] | Other [Member]    
Revenues and other    
Total revenues and other $ 1,894 $ 198
[1] Total revenues and other includes related-party amounts of $561.5 million and $558.4 million for the three months ended March 31, 2026 and 2025, respectively. See Note 6.
[2] Total operating expenses includes related-party amounts of $(4.6) million and $(12.1) million for the three months ended March 31, 2026 and 2025, respectively, all primarily related to changes in imbalance positions. See Note 6.
[3] See Note 6.
[4] Total revenues and other includes related-party amounts of $561.5 million and $558.4 million for the three months ended March 31, 2026 and 2025, respectively. See Note 6.
[5] Total operating expenses includes related-party amounts of $(3.1) million and $(10.6) million for the three months ended March 31, 2026 and 2025, respectively, all primarily related to changes in imbalance positions. See Note 6.
[6] See Note 6.
[7] See Note 6.