XML 94 R68.htm IDEA: XBRL DOCUMENT
v3.22.0.1

DERIVATIVES - MARKETING DERIVATIVES (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 $ / bbl | Dec. 31, 2021 $ / Mcfe | Dec. 31, 2021 MMBbls | Dec. 31, 2021 Bcf | Dec. 31, 2020 $ / bbl | Dec. 31, 2020 $ / Mcfe | Dec. 31, 2020 MMBbls | Dec. 31, 2020 Bcf
Marketing derivatives | Not designated as hedging instruments |  |  |  |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |  |  |  |
Weighted average sales price (in dollars per share) | 74.85 | 4.61 |  |  | 46.05 | 2.58 |  |
Oil commodity contracts | Short position |  |  |  |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |  |  |  |
Commodity contracts Volume (MMbbl or Bcf) | MMBbls |  |  | (28) |  |  |  | (31) |
Natural gas commodity contracts | Short position |  |  |  |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |  |  |  |
Commodity contracts Volume (MMbbl or Bcf) | Bcf |  |  |  | (136) |  |  |  | (117)

X
- Definition Sales price per unit of oil and gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph (b) -Subparagraph (1) + Details
Name: | srt_AverageSalesPrices
Namespace Prefix: | srt_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=oxy_MarketingDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=srt_CrudeOilAndNGLPerBarrelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=oxy_NaturalGasPerCubicFootMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |