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Related-Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2025
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
 Three Months Ended 
March 31,
thousands20252024
Revenues and other
Service revenues – fee based$541,745 $489,729 
Service revenues – product based11,859 14,057 
Product sales4,798 (3,977)
Total revenues and other558,402 499,809 
Equity income, net – related parties (1)
20,435 32,819 
Operating expenses
Cost of product (2)
(14,014)(27,412)
Operation and maintenance1,921 1,439 
General and administrative31 — 
Total operating expenses(12,062)(25,973)
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(1)See Note 7.
(2)Includes related-party natural-gas and NGLs imbalances.

Balance sheets
thousandsMarch 31,
2025		December 31,
2024
Assets
Accounts receivable, net$393,454 $401,315 
Other current assets8,843 6,671 
Equity investments (1)
527,526 541,435 
Other assets38,717 41,641 
Total assets968,540 991,062 
Liabilities
Accounts and imbalance payables37,257 20,609 
Accrued liabilities5,165 4,717 
Other liabilities (2)
534,612 504,415 
Total liabilities577,034 529,741 
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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
Three Months Ended 
March 31,
thousands20252024
Distributions from equity-investment earnings – related parties
$23,337 $29,304 
Distributions from equity investments in excess of cumulative earnings – related parties11,007 19,033 
Distributions to Partnership unitholders (1)
(152,899)(111,689)
Distributions to WES Operating unitholders (2)
(6,949)(4,591)
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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.
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
 Three Months Ended 
March 31,
thousands20252024
General and administrative (1)
$1,537 $1,306 
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(1)Includes an intercompany service fee between the Partnership and WES Operating.

Balance sheets
thousandsMarch 31,
2025		December 31,
2024
Accounts receivable, net (1)
$431,569 $401,315 
Other current assets6,567 6,263 
Other assets35,957 38,421 
Accounts and imbalance payables (1)
37,257 46,773 
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(1)Includes balances related to transactions between the Partnership and WES Operating.

Statements of cash flows
Three Months Ended 
March 31,
thousands20252024
Distributions to WES Operating unitholders (1)
$(347,356)$(229,446)
_________________________________________________________________________________________
(1)Represents distributions paid to the Partnership and Occidental, through its ownership of WGRAH, pursuant to WES Operating’s partnership agreement. See Note 4 and Note 5.