Equity and Partners' Capital - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 20, 2025	Nov. 02, 2022
Schedule of Investments [Line Items]
Common units outstanding		380,556,643	379,519,983
General partner units outstanding		9,060,641	9,060,641
Unit repurchases, authorized amount						$ 1,250,000
Unit repurchases, amount	[1]	$ 0	$ 134,602	$ 487,590
Subsequent Event [Member]
Schedule of Investments [Line Items]
Unit repurchases, authorized amount					$ 250,000
Occidental [Member]
Schedule of Investments [Line Items]
Unit repurchases, number of units			5,100,000	10,000,000
Public [Member]
Schedule of Investments [Line Items]
Unit repurchases, number of units		0	5,387,322	19,532,305
WES [Member] | Public [Member]
Schedule of Investments [Line Items]
Common units outstanding		214,875,065
Limited partner's interest		55.20%
WES [Member] | WES Operating [Member]
Schedule of Investments [Line Items]
Limited partner's interest		98.00%
Occidental [Member] | Limited Partner [Member]
Schedule of Investments [Line Items]
Units sold by a related party		19,500,000
Occidental [Member] | WES [Member]
Schedule of Investments [Line Items]
Common units outstanding		165,681,578
Limited partner's interest		42.50%
General partner units outstanding		9,060,641
General partner's interest		2.30%
Occidental [Member] | WES Operating [Member]
Schedule of Investments [Line Items]
Limited partner's interest		2.00%

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