Consolidated Balance Sheets - WES Operating - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents		$ 489,494	$ 286,656
Accounts receivable, net		614,836	554,263
Other current assets		31,476	59,506
Total current assets		1,135,806	900,425
Property, plant, and equipment
Cost		13,809,080	13,365,593
Less accumulated depreciation		5,144,678	4,823,993
Net property, plant, and equipment		8,664,402	8,541,600
Goodwill		4,783	4,783
Other intangible assets		689,324	713,075
Equity investments		915,076	944,696
Other assets	[1]	217,163	167,049
Total assets	[2]	11,626,554	11,271,628
Current liabilities
Accounts and imbalance payables		393,358	360,562
Short-term debt		2,268	215,780
Accrued ad valorem taxes		50,291	72,875
Accrued liabilities		189,983	254,640
Total current liabilities		635,900	903,857
Long-term liabilities
Long-term debt		7,260,051	6,569,582
Deferred income taxes		15,378	14,424
Asset retirement obligations		307,945	290,021
Other liabilities		452,188	385,629
Total long-term liabilities		8,035,562	7,259,656
Total liabilities	[3]	8,671,462	8,163,513
Equity and partners' capital
Common units (318,675,578 units issued and outstanding at September 30, 2023, and December 31, 2022)		2,821,958	2,969,604
Total partners' capital		2,823,636	2,971,709
Noncontrolling interest		131,456	136,406
Total equity and partners' capital		2,955,092	3,108,115
Total liabilities, equity, and partners' capital		$ 11,626,554	$ 11,271,628
Common units issued		379,516,369	384,070,984
Common units outstanding		379,516,369	384,070,984
WES Operating [Member]
Current assets
Cash and cash equivalents		$ 484,453	$ 286,101
Accounts receivable, net		614,816	554,263
Other current assets		30,808	57,291
Total current assets		1,130,077	897,655
Property, plant, and equipment
Cost		13,809,080	13,365,593
Less accumulated depreciation		5,144,678	4,823,993
Net property, plant, and equipment		8,664,402	8,541,600
Goodwill		4,783	4,783
Other intangible assets		689,324	713,075
Equity investments		915,076	944,696
Other assets	[4]	215,476	166,450
Total assets	[5]	11,619,138	11,268,259
Current liabilities
Accounts and imbalance payables		409,156	404,468
Short-term debt		2,268	215,780
Accrued ad valorem taxes		50,291	72,875
Accrued liabilities		145,729	197,289
Total current liabilities		607,444	890,412
Long-term liabilities
Long-term debt		7,260,051	6,569,582
Deferred income taxes		15,378	14,424
Asset retirement obligations		307,945	290,021
Other liabilities		450,497	383,713
Total long-term liabilities		8,033,871	7,257,740
Total liabilities	[6]	8,641,315	8,148,152
Equity and partners' capital
Common units (318,675,578 units issued and outstanding at September 30, 2023, and December 31, 2022)		2,951,434	3,092,012
Total partners' capital		2,951,434	3,092,012
Noncontrolling interest		26,389	28,095
Total equity and partners' capital		2,977,823	3,120,107
Total liabilities, equity, and partners' capital		$ 11,619,138	$ 11,268,259
Common units issued		318,675,578	318,675,578
Common units outstanding		318,675,578	318,675,578

[1] Other assets includes $6.5 million of NGLs line-fill inventory as of September 30, 2023, and December 31, 2022. Other assets also includes $92.4 million and $60.4 million of materials and supplies inventory as of September 30, 2023, and December 31, 2022, respectively.

[2] Total assets includes related-party amounts of $1.3 billion as of September 30, 2023, and December 31, 2022, which includes related-party Accounts receivable, net of $340.9 million and $313.9 million as of September 30, 2023, and December 31, 2022, respectively. See Note 6.

[3] Total liabilities includes related-party amounts of $360.8 million and $312.3 million as of September 30, 2023, and December 31, 2022, respectively. See Note 6.

[4] Other assets includes $6.5 million of NGLs line-fill inventory as of September 30, 2023, and December 31, 2022. Other assets also includes $92.4 million and $60.4 million of materials and supplies inventory as of September 30, 2023, and December 31, 2022, respectively.

[5] Total assets includes related-party amounts of $1.3 billion as of September 30, 2023, and December 31, 2022, which includes related-party Accounts receivable, net of $340.9 million and $313.9 million as of September 30, 2023, and December 31, 2022, respectively. See Note 6.

[6] Total liabilities includes related-party amounts of $376.4 million and $356.0 million as of September 30, 2023, and December 31, 2022, respectively. See Note 6.