Consolidated Statements of Cash Flows - WES Operating - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net income (loss)		$ 1,611,252	$ 1,048,007	$ 1,251,456
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		650,428	600,668	582,365
Long-lived asset and other impairments	[1]	6,206	52,884	20,585
Non-cash equity-based compensation expense		37,994	32,005	27,783
Deferred income taxes		14,211	1,044	1,999
Accretion and amortization of long-term obligations, net		9,238	8,151	7,142
Equity income, net – related parties		(112,385)	(152,959)	(183,483)
Distributions from equity-investment earnings – related parties		111,386	155,169	186,153
(Gain) loss on divestiture and other, net		(296,771)	10,102	(103,676)
(Gain) loss on early extinguishment of debt		(5,403)	(15,378)	(91)
Other		248	442	510
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		(42,798)	(78,346)	(116,296)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(21,935)	(68,019)	(7,812)
Change in other items, net		175,189	67,564	34,791
Net cash provided by operating activities		2,136,860	1,661,334	1,701,426
Cash flows from investing activities
Capital expenditures	[2]	(833,856)	(735,080)	(487,228)
Contributions to equity investments – related parties		(9,690)	(1,153)	(9,632)
Distributions from equity investments in excess of cumulative earnings – related parties		30,850	39,104	63,897
(Increase) decrease in materials and supplies inventory and other		(18,284)	(32,329)	(9,468)
Net cash provided by (used in) investing activities		(39,168)	(1,607,291)	(218,237)
Cash flows from financing activities
Borrowings, net of debt issuance costs		789,044	2,448,733	1,389,010
Repayments of debt		(143,852)	(1,967,928)	(1,518,548)
Commercial paper borrowings (repayments), net		(610,313)	609,916	0
Increase (decrease) in outstanding checks		(5,622)	3,516	2,206
Distributions to WES Operating unitholders	[2]	(1,246,069)	(978,430)	(735,755)
Net contributions from (distributions to) related parties		0	0	1,423
Other		(33,381)	(18,626)	(13,644)
Net cash provided by (used in) financing activities		(1,280,015)	(67,912)	(1,398,532)
Net increase (decrease) in cash and cash equivalents		817,677	(13,869)	84,657
Cash and cash equivalents at beginning of period		272,787	286,656	201,999
Cash and cash equivalents at end of period		1,090,464	272,787	286,656
Supplemental disclosures
Interest paid, net of capitalized interest		360,847	326,948	355,363
Income taxes paid (reimbursements received)		2,225	4,131	912
Accrued capital expenditures		64,084	99,610	82,353
Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		(4,372)	(7,641)	(10,736)
Third Parties [Member]
Cash flows from investing activities
Acquisitions from third parties		(443)	(877,746)	(40,127)
Proceeds from the sale of assets		792,255	(87)	264,121
Related Parties [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
(Gain) loss on divestiture and other, net		0	0	1,756
Cash flows from investing activities
Capital expenditures		0	0	(470)
Proceeds from the sale of assets		0	0	200
Cash flows from financing activities
Distributions to WES Operating unitholders		(604,512)	(494,127)	(372,468)
WES Operating [Member]
Cash flows from operating activities
Net income (loss)		1,612,883	1,050,681	1,254,074
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		650,428	600,668	582,365
Long-lived asset and other impairments	[3]	6,206	52,884	20,585
Non-cash equity-based compensation expense		37,413	31,424	27,213
Deferred income taxes		14,211	1,044	1,999
Accretion and amortization of long-term obligations, net		9,238	8,151	7,142
Equity income, net – related parties		(112,385)	(152,959)	(183,483)
Distributions from equity-investment earnings – related parties		111,386	155,169	186,153
(Gain) loss on divestiture and other, net		(296,771)	10,102	(103,676)
(Gain) loss on early extinguishment of debt		(5,403)	(15,378)	(91)
Other		248	442	510
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		(42,796)	(78,324)	(116,296)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(47,822)	(83,332)	(17,189)
Change in other items, net		171,876	67,629	34,827
Net cash provided by operating activities		2,108,712	1,648,201	1,694,133
Cash flows from investing activities
Capital expenditures	[4]	(833,856)	(735,080)	(487,228)
Contributions to equity investments – related parties		(9,690)	(1,153)	(9,632)
Distributions from equity investments in excess of cumulative earnings – related parties		30,850	39,104	63,897
(Increase) decrease in materials and supplies inventory and other		(18,284)	(32,329)	(9,468)
Net cash provided by (used in) investing activities		(39,168)	(1,607,291)	(218,237)
Cash flows from financing activities
Borrowings, net of debt issuance costs		789,044	2,448,733	1,389,010
Repayments of debt		(143,852)	(1,967,928)	(1,518,548)
Commercial paper borrowings (repayments), net		(610,313)	609,916	0
Increase (decrease) in outstanding checks		(5,572)	3,464	2,309
Distributions to WES Operating unitholders	[4]	(1,272,152)	(1,142,217)	(1,244,533)
Net contributions from (distributions to) related parties		0	0	1,423
Other		(6,065)	(3,154)	(4,318)
Net cash provided by (used in) financing activities		(1,253,282)	(58,827)	(1,385,393)
Net increase (decrease) in cash and cash equivalents		816,262	(17,917)	90,503
Cash and cash equivalents at beginning of period		268,184	286,101	195,598
Cash and cash equivalents at end of period		1,084,446	268,184	286,101
Supplemental disclosures
Interest paid, net of capitalized interest		360,847	326,948	355,363
Income taxes paid (reimbursements received)		2,225	4,131	912
Accrued capital expenditures		64,084	99,610	82,353
WES Operating [Member] | Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		(4,372)	(7,641)	(10,736)
WES Operating [Member] | Third Parties [Member]
Cash flows from investing activities
Acquisitions from third parties		(443)	(877,746)	(40,127)
Proceeds from the sale of assets		792,255	(87)	264,121
WES Operating [Member] | Related Parties [Member]
Cash flows from financing activities
Distributions to WES Operating unitholders		$ (1,272,152)	$ (1,142,217)	$ (1,244,533)

[1] See Note 7 and Note 9.

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

[3] See Note 7 and Note 9.

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