Consolidated Balance Sheets - WES Operating - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents		$ 1,090,464	$ 272,787
Accounts receivable, net		701,838	666,637
Other current assets		54,888	52,986
Total current assets		1,847,190	992,410
Property, plant, and equipment
Cost		15,509,910	14,945,431
Less accumulated depreciation		5,795,301	5,290,415
Net property, plant, and equipment		9,714,609	9,655,016
Goodwill		4,783	4,783
Other intangible assets		649,740	681,408
Equity investments		541,435	904,535
Other assets	[1]	387,028	233,455
Total assets	[2]	13,144,785	12,471,607
Current liabilities
Accounts and imbalance payables		312,945	362,451
Short-term debt		1,011,032	617,748
Accrued ad valorem taxes		38,319	61,285
Accrued liabilities		329,398	262,572
Total current liabilities		1,691,694	1,304,056
Long-term liabilities
Long-term debt		6,926,647	7,283,556
Deferred income taxes		29,679	15,468
Asset retirement obligations		370,195	359,185
Other liabilities		751,400	480,212
Total long-term liabilities		8,077,921	8,138,421
Total liabilities	[3]	9,769,615	9,442,477
Equity and partners' capital
Common units (318,675,578 units issued and outstanding at December 31, 2024 and 2023)		3,224,802	2,894,231
Total partners' capital		3,235,605	2,897,424
Noncontrolling interest		139,565	131,706
Total equity and partners' capital		3,375,170	3,029,130
Total liabilities, equity, and partners' capital		$ 13,144,785	$ 12,471,607
Common units issued		380,556,643	379,519,983
Common units outstanding		380,556,643	379,519,983
WES Operating [Member]
Current assets
Cash and cash equivalents		$ 1,084,446	$ 268,184
Accounts receivable, net		701,814	666,615
Other current assets		53,775	50,468
Total current assets		1,840,035	985,267
Property, plant, and equipment
Cost		15,509,910	14,945,431
Less accumulated depreciation		5,795,301	5,290,415
Net property, plant, and equipment		9,714,609	9,655,016
Goodwill		4,783	4,783
Other intangible assets		649,740	681,408
Equity investments		541,435	904,535
Other assets	[4]	383,808	231,644
Total assets	[5]	13,134,410	12,462,653
Current liabilities
Accounts and imbalance payables		339,108	392,752
Short-term debt		1,011,032	617,748
Accrued ad valorem taxes		38,319	61,285
Accrued liabilities		248,589	203,461
Total current liabilities		1,637,048	1,275,246
Long-term liabilities
Long-term debt		6,926,647	7,283,556
Deferred income taxes		29,679	15,468
Asset retirement obligations		370,195	359,185
Other liabilities		744,715	476,844
Total long-term liabilities		8,071,236	8,135,053
Total liabilities	[6]	9,708,284	9,410,299
Equity and partners' capital
Common units (318,675,578 units issued and outstanding at December 31, 2024 and 2023)		3,399,650	3,027,031
Total partners' capital		3,399,650	3,027,031
Noncontrolling interest		26,476	25,323
Total equity and partners' capital		3,426,126	3,052,354
Total liabilities, equity, and partners' capital		$ 13,134,410	$ 12,462,653
Common units issued		318,675,578	318,675,578
Common units outstanding		318,675,578	318,675,578

[1] Other assets includes $5.5 million and $5.7 million of NGLs line-fill inventory as of December 31, 2024 and 2023, respectively. Other assets also includes $110.3 million and $96.3 million of materials and supplies inventory as of December 31, 2024 and 2023, respectively

[2] Total assets includes related-party amounts of $991.1 million and $1.3 billion as of December 31, 2024 and 2023, respectively, which includes related-party Accounts receivable, net of $401.3 million and $358.1 million as of December 31, 2024 and 2023, respectively. See Note 6.

[3] Total liabilities includes related-party amounts of $529.7 million and $378.8 million as of December 31, 2024 and 2023, respectively. See Note 6.

[4] Other assets includes $5.5 million and $5.7 million of NGLs line-fill inventory as of December 31, 2024 and 2023, respectively. Other assets also includes $110.3 million and $96.3 million of materials and supplies inventory as of December 31, 2024 and 2023, respectively.

[5] Total assets includes related-party amounts of $987.4 million and $1.3 billion as of December 31, 2024 and 2023, respectively, which includes related-party Accounts receivable, net of $401.3 million and $358.1 million as of December 31, 2024 and 2023, respectively. See Note 6.

[6] Total liabilities includes related-party amounts of $555.9 million and $409.5 million as of December 31, 2024 and 2023, respectively. See Note 6.