Consolidated Statements of Cash Flows - WES Operating - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net income (loss)		$ 316,552	$ 586,216
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		170,460	157,991
Long-lived asset and other impairments		3	23
Non-cash equity-based compensation expense		8,248	9,423
Deferred income taxes		1,713	230
Accretion and amortization of long-term obligations, net		2,202	2,190
Equity income, net – related parties		(20,435)	(32,819)
Distributions from equity-investment earnings – related parties		23,337	29,304
(Gain) loss on divestiture and other, net		4,667	(239,617)
(Gain) loss on early extinguishment of debt		0	(524)
Other		190	112
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		28,634	(53,714)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(46,684)	(100,383)
Change in other items, net		41,906	41,276
Net cash provided by operating activities		530,793	399,708
Cash flows from investing activities
Capital expenditures		(142,402)	(193,789)
Distributions from equity investments in excess of cumulative earnings – related parties		11,007	19,033
(Increase) decrease in materials and supplies inventory and other		(9,414)	(10,691)
Net cash provided by (used in) investing activities		(140,790)	396,849
Cash flows from financing activities
Repayments of debt		(663,831)	(14,503)
Commercial paper borrowings (repayments), net		0	(510,379)
Increase (decrease) in outstanding checks		(113)	766
Distributions to WES Operating unitholders	[1]	(340,996)	(223,438)
Other		(20,131)	(20,868)
Net cash provided by (used in) financing activities		(1,032,020)	(774,098)
Net increase (decrease) in cash and cash equivalents		(642,017)	22,459
Cash and cash equivalents at beginning of period		1,090,464	272,787
Cash and cash equivalents at end of period		448,447	295,246
Supplemental disclosures
Interest paid, net of capitalized interest		119,905	130,885
Accrued capital expenditures		88,894	116,751
Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		0	(1,085)
Third Parties [Member]
Cash flows from investing activities
Acquisitions from third parties		0	(443)
Proceeds from the sale of assets		19	582,739
WES Operating [Member]
Cash flows from operating activities
Net income (loss)		316,318	586,517
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		170,460	157,991
Long-lived asset and other impairments		3	23
Non-cash equity-based compensation expense		8,144	9,278
Deferred income taxes		1,713	230
Accretion and amortization of long-term obligations, net		2,202	2,190
Equity income, net – related parties		(20,435)	(32,819)
Distributions from equity-investment earnings – related parties		23,337	29,304
(Gain) loss on divestiture and other, net		4,667	(239,617)
(Gain) loss on early extinguishment of debt		0	(524)
Other		190	112
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		(9,486)	(71,872)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(30,834)	(102,341)
Change in other items, net		45,186	42,177
Net cash provided by operating activities		511,465	380,649
Cash flows from investing activities
Capital expenditures		(142,402)	(193,789)
Distributions from equity investments in excess of cumulative earnings – related parties		11,007	19,033
(Increase) decrease in materials and supplies inventory and other		(9,414)	(10,691)
Net cash provided by (used in) investing activities		(140,790)	396,849
Cash flows from financing activities
Repayments of debt		(663,831)	(14,503)
Commercial paper borrowings (repayments), net		0	(510,379)
Increase (decrease) in outstanding checks		(118)	699
Distributions to WES Operating unitholders	[2]	(347,356)	(229,446)
Other		(1,677)	(1,504)
Net cash provided by (used in) financing activities		(1,012,982)	(756,218)
Net increase (decrease) in cash and cash equivalents		(642,307)	21,280
Cash and cash equivalents at beginning of period		1,084,446	268,184
Cash and cash equivalents at end of period		442,139	289,464
Supplemental disclosures
Interest paid, net of capitalized interest		119,905	130,885
Accrued capital expenditures		88,894	116,751
WES Operating [Member] | Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		0	(1,085)
WES Operating [Member] | Third Parties [Member]
Cash flows from investing activities
Acquisitions from third parties		0	(443)
Proceeds from the sale of assets		$ 19	$ 582,739

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

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