XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.21.1

Derivatives - Derivative Instruments (Details) - 2021 Settlement | Mar. 31, 2021 MMBbls MMBTU $ / Barrel
--- | ---
Crude Oil |
Derivative [Line Items] |
Derivative instrument (MMbbl and MMbtu) | MMBbls | 96.3
Crude Oil | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 74.16
Natural Gas |
Derivative [Line Items] |
Derivative instrument (MMbbl and MMbtu) | MMBTU | 154.4
Natural Gas | Short position |
Derivative [Line Items] |
Ceiling sold price (dollars per barrel) | 3.61
Natural Gas | Long position |
Derivative [Line Items] |
Purchase price (dollars per barrel) | 2.50

X
- Definition Derivative, Contractual Commodity, Volume + References No definition available. + Details
Name: | oxy_DerivativeContractualCommodityVolume
Namespace Prefix: | oxy_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageCapPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFloorPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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
- Details
Name: | srt_EnergyAxis=srt_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=oxy_Settlement2021Member
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: | srt_EnergyAxis=srt_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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