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Related-Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2024
Related Party Transaction [Line Items]  
Related-Party Transactions Tables The following tables summarize material related-party transactions included in the Partnership’s consolidated financial statements:
Statements of operations
Year Ended December 31,
thousands202420232022
Revenues and other
Service revenues – fee based$2,099,116 $1,773,914 $1,674,959 
Service revenues – product based56,688 16,497 56,907 
Product sales5,704 43,683 63,367 
Total revenues and other2,161,508 1,834,094 1,795,233 
Equity income, net – related parties (1)
112,385 152,959 183,483 
Operating expenses
Cost of product (2)
(67,414)(72,903)(25,447)
Operation and maintenance10,580 4,618 5,081 
General and administrative (3)
350 284 2,338 
Total operating expenses(56,484)(68,001)(18,028)
Gain (loss) on divestiture and other, net— — (1,756)
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(1)See Note 7.
(2)Includes related-party natural-gas and NGLs imbalances.
(3)The year ended December 31, 2022, includes equity-based compensation expense allocated to the Partnership by Occidental, which is not reimbursed to Occidental and is reflected as a contribution to partners’ capital in the consolidated statements of equity and partners’ capital (see Incentive Plans within this Note 6).

Balance sheets
December 31,
thousands20242023
Assets
Accounts receivable, net$401,315 $358,141 
Other current assets6,671 1,260 
Equity investments (1)
541,435 904,535 
Other assets41,641 43,216 
Total assets991,062 1,307,152 
Liabilities
Accounts and imbalance payables20,609 38,541 
Accrued liabilities4,717 4,979 
Other liabilities (2)
504,415 335,320 
Total liabilities529,741 378,840 
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(1)See Note 7.
(2)Includes contract liabilities from contracts with customers. See Note 2.
6. RELATED-PARTY TRANSACTIONS

Statements of cash flows
Year Ended December 31,
thousands202420232022
Distributions from equity-investment earnings – related parties
$111,386 $155,169 $186,153 
Capital expenditures— — (470)
Contributions to equity investments – related parties(9,690)(1,153)(9,632)
Distributions from equity investments in excess of cumulative earnings – related parties30,850 39,104 63,897 
Proceeds from the sale of assets to related parties— — 200 
Distributions to Partnership unitholders (1)
(604,512)(494,127)(372,468)
Distributions to WES Operating unitholders (2)
(25,450)(22,850)(24,898)
Net contributions from (distributions to) related parties— — 1,423 
Unit repurchases from Occidental (3)
— (127,500)(252,500)
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(1)Represents common and general partner unit distributions paid to Occidental pursuant to the partnership agreement of the Partnership. See Note 4 and Note 5.
(2)Represents distributions paid to Occidental, through its ownership of WGRAH, pursuant to WES Operating’s partnership agreement. See Note 4 and Note 5.
(3)Represents common units repurchased from Occidental. See Note 5.
WES Operating [Member]  
Related Party Transaction [Line Items]  
Related-Party Transactions Tables
The following tables summarize material related-party transactions for WES Operating (which are included in the Partnership’s consolidated financial statements) to the extent the amounts differ materially from the Partnership’s consolidated financial statements:
Statements of operations
Year Ended December 31,
thousands202420232022
General and administrative (1)
$4,130 $3,554 $5,373 
_________________________________________________________________________________________
(1)Includes an intercompany service fee between the Partnership and WES Operating. The year ended December 31, 2022, includes equity-based compensation expense allocated to WES Operating by Occidental, which is not reimbursed to Occidental and is reflected as a contribution to partners’ capital in the consolidated statements of equity and partners’ capital (see Incentive Plans within this Note 6).

Balance sheets
December 31,
thousands20242023
Other current assets$6,263 $1,235 
Other assets38,421 41,405 
Accounts and imbalance payables (1)
46,773 69,472 
Accrued liabilities4,717 4,662 
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(1)Includes balances related to transactions between the Partnership and WES Operating.
6. RELATED-PARTY TRANSACTIONS

Statements of cash flows
Year Ended December 31,
thousands202420232022
Distributions to WES Operating unitholders (1)
$(1,272,152)$(1,142,217)$(1,244,533)
_________________________________________________________________________________________
(1)Represents distributions paid to the Partnership and Occidental, through its ownership of WGRAH, pursuant to WES Operating’s partnership agreement. The years ended December 31, 2023 and 2022, include distributions made from WES Operating to the Partnership that were used to repurchase common units. See Note 4 and Note 5.