Related-Party Transactions - Summary of WES Related-Party Transactions Tables (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025		Mar. 31, 2024	Dec. 31, 2024
Consolidated statements of operations [Abstract]
Total revenues and other	[1]	$ 917,116		$ 887,729
Equity income, net – related parties		20,435		32,819
Cost of product		41,492		46,079
Operation and maintenance		226,514		194,939
General and administrative		66,786		67,839
Total operating expenses	[2]	523,081		480,791
Consolidated balance sheets [Abstract]
Accounts receivable, net		673,204			$ 701,838
Other current assets		68,243			54,888
Equity investments		527,526			541,435
Other assets		365,756			387,028
Total assets	[3]	12,456,877			13,144,785
Accounts and imbalance payables		357,278			312,945
Accrued liabilities		257,038			329,398
Other liabilities		777,063			751,400
Total liabilities	[4]	9,123,306			9,769,615
Consolidated statements of cash flows [Abstract]
Distributions from equity-investment earnings – related parties		23,337		29,304
Distributions from equity investments in excess of cumulative earnings – related parties		11,007		19,033
Distributions to Partnership unitholders	[5]	(340,996)		(223,438)
Service Revenues - Fee Based [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		823,197		781,262
Service Revenues - Product Based [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		59,252		66,740
Product Sales [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		34,469		39,292
Related Parties [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		558,402	[1]	499,809
Cost of product		(14,014)		(27,412)
Operation and maintenance		1,921		1,439
General and administrative		31		0
Total operating expenses		(12,062)		(25,973)
Consolidated balance sheets [Abstract]
Accounts receivable, net		393,454			401,315
Other current assets		8,843			6,671
Other assets		38,717			41,641
Total assets		968,540			991,062
Accounts and imbalance payables		37,257			20,609
Accrued liabilities		5,165			4,717
Other liabilities		534,612			504,415
Total liabilities		577,034			$ 529,741
Consolidated statements of cash flows [Abstract]
Distributions to Partnership unitholders		(152,899)		(111,689)
Related Parties [Member] | WES Operating [Member]
Consolidated statements of cash flows [Abstract]
Distributions to Partnership unitholders		(6,949)		(4,591)
Related Parties [Member] | Service Revenues - Fee Based [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		541,745		489,729
Related Parties [Member] | Service Revenues - Product Based [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		11,859		14,057
Related Parties [Member] | Product Sales [Member]
Consolidated statements of operations [Abstract]
Total revenues and other		$ 4,798		$ (3,977)

[1] Total revenues and other includes related-party amounts of $558.4 million and $499.8 million for the three months ended March 31, 2025 and 2024, respectively. See Note 6.

[2] Total operating expenses includes related-party amounts of $(12.1) million and $(26.0) million for the three months ended March 31, 2025 and 2024, respectively, all primarily related to changes in imbalance positions. See Note 6.

[3] Total assets includes related-party amounts of $968.5 million and $991.1 million as of March 31, 2025, and December 31, 2024, respectively, which includes related-party Accounts receivable, net of $393.5 million and $401.3 million as of March 31, 2025, and December 31, 2024, respectively. See Note 6.

[4] Total liabilities includes related-party amounts of $577.0 million and $529.7 million as of March 31, 2025, and December 31, 2024, respectively, which includes related-party Accounts and imbalance payable of $37.3 million and $20.6 million as of March 31, 2025, and December 31, 2024, respectively. See Note 6.

[5] Includes related-party amounts. See Note 6.