XML 27 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Jan. 31, 2025
Jun. 28, 2024
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Entity File Number 1-9210    
Entity Registrant Name Occidental Petroleum Corporation    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-4035997    
Entity Address, Address Line One 5 Greenway Plaza    
Entity Address, Address Line Two Suite 110    
Entity Address, City or Town Houston,    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77046    
City Area Code (713)    
Local Phone Number 215-7000    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 59.2
Entity Common Stock, Shares Outstanding   938,500,965  
Documents Incorporated by Reference
Portions of the registrant’s definitive Proxy Statement, relating to its 2025 Annual Meeting of Stockholders, are incorporated by reference into Part III of this Form 10-K.
    
Entity Central Index Key 0000797468    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Common Stock, $0.20 par value      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock, $0.20 par value    
Trading Symbol OXY    
Security Exchange Name NYSE    
Warrants to Purchase Common Stock, $0.20 par value      
Entity Information [Line Items]      
Title of 12(b) Security Warrants to Purchase Common Stock, $0.20 par value    
Trading Symbol OXY WS    
Security Exchange Name NYSE