Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net income (loss)		$ 1,251,456	$ 943,999	$ 516,852
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		582,365	551,629	491,086
Long-lived asset and other impairments	[1]	20,585	30,543	203,889
Goodwill impairment		0	0	441,017
Non-cash equity-based compensation expense		27,783	27,676	22,462
Deferred income taxes		1,999	(9,770)	3,296
Accretion and amortization of long-term obligations, net		7,142	7,635	8,654
Equity income, net – related parties		(183,483)	(204,645)	(226,750)
Distributions from equity-investment earnings – related parties		186,153	213,516	246,637
(Gain) loss on divestiture and other, net		(103,676)	(44)	(8,634)
(Gain) loss on early extinguishment of debt		(91)	24,944	(11,234)
Cash paid to settle interest-rate swaps		0	0	(25,621)
Other		510	260	193
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		(116,296)	16,366	(193,688)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(7,812)	114,887	144,437
Change in other items, net		34,791	49,856	24,822
Net cash provided by operating activities		1,701,426	1,766,852	1,637,418
Cash flows from investing activities
Capital expenditures	[2]	(487,228)	(313,674)	(423,602)
Contributions to equity investments – related parties		(9,632)	(4,435)	(19,388)
Distributions from equity investments in excess of cumulative earnings – related parties		63,897	41,385	32,160
(Increase) decrease in materials and supplies inventory and other		(9,468)	11,084	(57,757)
Net cash used in investing activities		(218,237)	(257,538)	(448,254)
Cash flows from financing activities
Borrowings, net of debt issuance costs		1,389,010	480,000	3,681,173
Repayments of debt		(1,518,548)	(1,432,966)	(3,803,888)
Increase (decrease) in outstanding checks		2,206	(21,631)	20,699
Distributions to Partnership unitholders		(735,755)	(533,758)	(695,834)
Net contributions from (distributions to) related parties		1,423	8,533	24,466
Unit repurchases		(487,590)	(217,465)	(32,535)
Other		(13,644)	(10,849)	(14,207)
Net cash provided by (used in) financing activities		(1,398,532)	(1,752,237)	(844,204)
Net increase (decrease) in cash and cash equivalents		84,657	(242,923)	344,960
Cash and cash equivalents at beginning of period		201,999	444,922	99,962
Cash and cash equivalents at end of period		286,656	201,999	444,922
Supplemental disclosures
Non-cash unit exchange with Occidental	[2]	0	0	(261,878)
Interest paid, net of capitalized interest		355,363	375,007	349,913
Income taxes paid (reimbursements received)		912	938	(384)
Accrued capital expenditures		82,353	35,240	25,126
Third Parties [Member]
Cash flows from investing activities
Acquisitions from third parties		(40,127)	0	0
Proceeds from the sale of assets to third parties		264,121	8,102	20,333
Related Parties [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
(Gain) loss on divestiture and other, net		1,756	(420)	2,870
Cash flows from investing activities
Capital expenditures		(470)	(2,000)	0
Proceeds from the sale of assets to third parties		200	0	0
Cash flows from financing activities
Distributions to Partnership unitholders		(372,468)	(272,192)	(381,949)
Unit repurchases		(252,500)	(50,225)	0
Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		(10,736)	(9,117)	(8,644)
WES Operating [Member]
Cash flows from financing activities
Distributions to noncontrolling interest owner of WES Operating		(24,898)	(14,984)	(15,434)
WES Operating [Member] | Related Parties [Member]
Cash flows from financing activities
Distributions to Partnership unitholders		$ (24,898)	$ (14,984)	$ (15,434)

[1] See Note 7 and Note 9.

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