XML 12 R1.htm IDEA: XBRL DOCUMENT
v3.19.2

Document and Entity Information | Aug. 01, 2019
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Entity Listings [Line Items] |
Document Type | 8-K
Amendment Flag | false
Document Period End Date | Aug. 01, 2019
Entity Registrant Name | OCCIDENTAL PETROLEUM CORPORATION
Entity Incorporation, State or Country Code | DE
Entity File Number | 001-09210
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
Written Communications | false
Soliciting Material | false
Pre-commencement Tender Offer | false
Pre-commencement Issuer Tender Offer | false
Entity Emerging Growth Company | false
Entity Central Index Key | 0000797468
Common Stock, $0.20 par value [Member] |
Entity Listings [Line Items] |
Title of 12(b) Security | Common Stock, $0.20 par value
Trading Symbol | OXY
Security Exchange Name | NYSE
9 1/4% Senior Debentures due 2019 [Member] |
Entity Listings [Line Items] |
Title of 12(b) Security | 9 1/4% Senior Debentures due 2019
Trading Symbol | OXY 19A
Security Exchange Name | NYSE

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