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v3.26.1

Related-Party Transactions (Tables) | 6 Months Ended
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Jun. 30, 2026
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 June 30, |  | Six Months Ended June 30, |  |  |
thousands |  | 2026 |  | 2025 |  | 2026 |  | 2025 |  |  |
Revenues and other |  |  |  |  |  |  |  |  |  |  |
Service revenues – fee based |  | $ | 542,295 |  |  | $ | 559,192 |  |  | $ | 1,080,356 |  |  | $ | 1,100,937 |  |  |  |
Service revenues – product based |  | 18,923 |  |  | 12,254 |  |  | 35,949 |  |  | 24,113 |  |  |  |
Product sales |  | 8,163 |  |  | 4,801 |  |  | 14,018 |  |  | 9,599 |  |  |  |
Other |  | 643 |  |  | — |  |  | 1,160 |  |  | — |  |  |  |
Total revenues and other |  | 570,024 |  |  | 576,247 |  |  | 1,131,483 |  |  | 1,134,649 |  |  |  |
Equity income, net – related parties (1) |  | 21,536 |  |  | 27,128 |  |  | 36,312 |  |  | 47,563 |  |  |  |
Operating expenses |  |  |  |  |  |  |  |  |  |  |
Cost of product (2) |  | 39,798 |  |  | (9,028) |  |  | 33,768 |  |  | (23,042) |  |  |  |
Operation and maintenance |  | 1,169 |  |  | 1,560 |  |  | 2,618 |  |  | 3,481 |  |  |  |
General and administrative |  | — |  |  | 179 |  |  | (20) |  |  | 210 |  |  |  |
Total operating expenses |  | 40,967 |  |  | (7,289) |  |  | 36,366 |  |  | (19,351) |  |  |  |
Gain (loss) on divestiture and other, net |  | — |  |  | — |  |  | 1,366 |  |  | — |  |  |  |
_________________________________________________________________________________________ (1)See Note 7. (2)Includes related-party natural-gas and NGLs imbalances.
Balance sheets |  |  |  |  |
thousands |  | June 30, 2026 |  | December 31, 2025 |
Assets |  |  |  |  |
Accounts receivable, net |  | $ | 370,453 |  |  | $ | 407,941 |  |
Other current assets |  | 8,819 |  |  | 524 |  |
Equity investments (1) |  | 493,467 |  |  | 504,859 |  |
Other assets |  | 33,311 |  |  | 33,124 |  |
Total assets |  | 906,050 |  |  | 946,448 |  |
Liabilities |  |  |  |  |
Accounts and imbalance payables |  | 30,545 |  |  | 20,639 |  |
Accrued liabilities (2) |  | 184,974 |  |  | 14,991 |  |
Other liabilities (2) |  | 979,905 |  |  | 631,292 |  |
Total liabilities |  | 1,195,424 |  |  | 666,922 |  |
_________________________________________________________________________________________ (1)See Note 7. (2)Includes contract liabilities from contracts with customers. See Note 2. 6. RELATED-PARTY TRANSACTIONS
Statements of cash flows |  |  |  |  |  |  |  |
|  | Six Months Ended June 30, |  |  |  |
thousands |  | 2026 |  | 2025 |  |  |  |
Distributions from equity-investment earnings – related parties |  | $ | 40,375 |  |  | $ | 51,419 |  |  |  |  |
Contributions to equity investments – related parties |  | (2,578) |  |  | — |  |  |  |  |
Distributions from equity investments in excess of cumulative earnings – related parties |  | 9,907 |  |  | 14,047 |  |  |  |  |
Distributions to Partnership unitholders (1) |  | (307,289) |  |  | (311,914) |  |  |  |  |
Distributions to WES Operating unitholders (2) |  | (14,505) |  |  | (14,217) |  |  |  |  |
_________________________________________________________________________________________ (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 June 30, |  | Six Months Ended June 30, |  |  |
thousands |  | 2026 |  | 2025 |  | 2026 |  | 2025 |  |  |
General and administrative (1) |  | $ | 980 |  |  | $ | 1,019 |  |  | $ | 2,480 |  |  | $ | 2,556 |  |  |  |
_________________________________________________________________________________________ (1)Includes an intercompany service fee between the Partnership and WES Operating.
Balance sheets |  |  |  |  |
thousands |  | June 30, 2026 |  | December 31, 2025 |
Other current assets |  | $ | 8,636 |  |  | $ | 447 |  |
Other assets |  | 28,529 |  |  | 29,957 |  |
Accounts and imbalance payables (1) |  | 33,857 |  |  | 76,040 |  |
_________________________________________________________________________________________ (1)Includes balances related to transactions between the Partnership and WES Operating.
Statements of cash flows |  |  |  |  |  |  |  |  |  |  |
|  |  |  | Six Months Ended June 30, |  |  |
thousands |  |  |  |  |  | 2026 |  | 2025 |  |  |
Distributions to WES Operating unitholders (1) |  |  |  |  |  | $ | (764,594) |  |  | $ | (710,646) |  |  |  |
_________________________________________________________________________________________ (1)Represents distributions paid to the Partnership and Occidental, through its ownership of WGRAH, according to the terms of WES Operating’s partnership agreement. See Note 4 and Note 5.

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