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INVESTMENTS AND RELATED-PARTY TRANSACTIONS (Tables)
 12 Months Ended
Dec. 31, 2024
Investments And Related Party Transactions Disclosure [Abstract]  
Schedule of significant equity investments
The following table represents significant investments in unconsolidated entities as of December 31, 2024:

millions% Economic InterestCarrying amount
WES (a)
46.0 %$1,850 
OxyChem Ingleside Facility50.0 %503 
NET Power41.6 %488 
DEL(b)
24.5 %— 
Othervarious318 
Total Investments in unconsolidated entities $3,159 
(a)     In 2024, 2023, and 2022, Occidental sold 19.5 million, 5.1 million and 10.0 million of its limited partner units in WES, respectively, resulting in gains on sale of $489 million, $51 million and $62 million, respectively.
(b)    Not presented in investments in unconsolidated entities is Occidental’s 24.5% ownership in DEL, which had a carrying value of $237 million and is presented in deferred credits and other liabilities - other. As a result of a refinancing transaction at DEL in November 2021, Occidental received cash distributions in excess of its investment balance. Since Occidental may be requested to provide financial support to DEL in the future, the excess distributions were recorded against the carrying amount of the equity investment and in deferred credits and other liabilities - other.
Schedule of financial information of equity-method investments
The following table presents the summarized financial information of its equity-method investments combined for the years ended and as of December 31:

millions202420232022
Summarized Results of Operations
Revenues and other income$5,184 $4,724 $6,342 
Costs and expenses3,527 3,753 4,514 
Net income$1,657 $971 $1,828 
Summarized Balance Sheet
Current assets$4,874 $4,772 $3,482 
Non-current assets$18,151 $18,715 $15,282 
Current liabilities$2,270 $2,547 $1,342 
Long-term debt$9,296 $9,673 $9,512 
Other non-current liabilities$2,504 $2,396 $1,289 
Equity
$8,955 $8,870 $6,621 
Schedule of related-party transactions Occidental entered into the following related-party transactions and had the following amounts due from or to its related parties for the years ended December 31:
millions202420232022
Sales (a)
$244 $256 $337 
Purchases (b)
$560 $722 $948 
Services (c)
$1,413 $1,155 $1,006 
Advances and amounts due from related parties$49 $62 $40 
Amounts due to related parties$384 $371 $306 
(a)In 2024, 2023 and 2022 sales of Occidental-produced oil and NGL to WES accounted for 35%, 37% and 42% of related party sales, respectively.
(b)In 2024, 2023 and 2022, purchases of gas and NGL marketed on behalf of WES accounted for 5%, 22% and 24% of related party purchases, respectively, while purchases of ethylene from the OxyChem Ingleside Facility accounted for 82%, 69% and 64%, respectively, of related party purchases.
(c)In 2024, 2023 and 2022, services primarily related to fees charged by WES to gather, process and treat Occidental produced oil, NGL and natural gas.