XML 99 R69.htm IDEA: XBRL DOCUMENT
v3.6.0.2

RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - DEFINED BENEFIT PLANS (Details) | Dec. 31, 2016 person
--- | ---
Domestic Pension Benefits |
DEFINED BENEFIT PLANS |
Number of employees accruing benefits under defined benefit plans | 600
Foreign Pension Plans |
DEFINED BENEFIT PLANS |
Number of employees accruing benefits under defined benefit plans | 1,100

X
- Definition This element represents the number of employees currently accruing benefits under defined benefit plans. + References No definition available. + Details
Name: | oxy_DefinedBenefitPlanNumberOfParticipatingEmployees
Namespace Prefix: | oxy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_ForeignPensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |