Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Revenues and Other
Revenues and other		$ 774,313	$ 671,883
Equity income, net – related parties		61,347	57,992
Operating expenses
Cost of product	[1]	103,270	114,063
Operation and maintenance	[1]	159,191	142,829
General and administrative	[1]	40,465	22,844
Property and other taxes		18,476	16,285
Depreciation and amortization		132,319	113,946
Long-lived asset impairments		155,785	390
Goodwill impairment		441,017	0
Total operating expenses		1,050,523	410,357
Gain (loss) on divestiture and other, net		(40)	(590)
Operating income (loss)		(214,903)	318,928
Interest income – related parties		4,225	4,225
Interest expense		(88,586)	(65,876)
Gain (loss) on early extinguishment of debt		7,345	0
Other income (expense), net	[2]	(1,761)	(35,206)
Income (loss) before income taxes		(293,680)	222,071
Income tax expense (benefit)		(4,280)	10,092
Net income (loss)		(289,400)	211,979
Net income (loss) attributable to noncontrolling interests		(32,873)	93,319
Net income (loss) attributable to Western Midstream Partners, LP		(256,527)	118,660
Limited partners' interest in net income (loss):
Net income (loss) attributable to Western Midstream Partners, LP		(256,527)	118,660
Pre-acquisition net (income) loss allocated to Anadarko		0	(29,116)
General partner interest in net (income) loss		5,131	0
Limited partners' interest in net income (loss)	[3]	(251,396)	89,544
Affiliates [Member]
Revenues and Other
Revenues and other		482,385	378,437
Operating expenses
Cost of product		77,903	56,172
Operation and maintenance		32,841	39,141
General and administrative		21,855	18,894
Total operating expenses		132,599	114,207
Interest expense		(43)	(1,833)
Affiliates [Member] | Service Revenues - Fee Based [Member]
Revenues and Other
Revenues and other		447,783	326,642
Affiliates [Member] | Service Revenues - Product Based [Member]
Revenues and Other
Revenues and other		2,978	1,352
Affiliates [Member] | Product Sales [Member]
Revenues and Other
Revenues and other		31,624	50,443
Third Parties [Member]
Revenues and Other
Revenues and other		291,928	293,446
Operating expenses
Interest expense		(88,543)	(64,043)
Third Parties [Member] | Service Revenues - Fee Based [Member]
Revenues and Other
Revenues and other		253,613	253,332
Third Parties [Member] | Service Revenues - Product Based [Member]
Revenues and Other
Revenues and other		12,943	18,027
Third Parties [Member] | Product Sales [Member]
Revenues and Other
Revenues and other		25,025	21,690
Third Parties [Member] | Other [Member]
Revenues and Other
Revenues and other		$ 347	$ 397
Limited Partner [Member]
Limited partners' interest in net income (loss):
Net income (loss) per common unit - basic and diluted	[3]	$ (0.57)	$ 0.30
Weighted-average common units outstanding - basic and diluted		443,971	299,556

[1] Cost of product includes product purchases from related parties (as defined in Note 1) of $77.9 million and $56.2 million for the three months ended March 31, 2020 and 2019, respectively. Operation and maintenance includes charges from related parties of $32.8 million and $39.1 million for the three months ended March 31, 2020 and 2019, respectively. General and administrative includes charges from related parties of $21.9 million and $18.9 million for the three months ended March 31, 2020 and 2019, respectively. See Note 6.

[2] Includes losses associated with the interest-rate swap agreements for the three months ended March 31, 2019. See Note 11.

[3] See Note 5.