XML 49 R36.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value Measurements (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Proved Oil and Gas Properties, Other Property, Plant and Equipment and Other Assets [Abstract] |  |
Proved Oil and Gas Properties and Other Assets Carrying Amount | $ 1,424,000 |
Proved Oil and Gas Properties and Other Assets Written Down During the Period - Fair value at End of Period | 264,000 |
Pretax Impairment Charges for Proved Oil and Gas Properties and Other Property, Plant and Equipment | 1,160,000 |
Pretax Impairment Changes For Other Assets | 72,000 |
Debt Disclosure [Abstract] |  |
Aggregate Principal Amount of Current and Long-Term Debt | 5,640,000 | $ 5,140,000
Estimated Fair Value of Debt | 6,416,000 | 5,452,000
Commodity Contract [Member] | Crude Oil | Price Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 224,256 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 23,266
Commodity Contract [Member] | Crude Oil | Price Swaps | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 0
Commodity Contract [Member] | Crude Oil | Price Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 224,256 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 23,266
Commodity Contract [Member] | Crude Oil | Price Swaps | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 0
Commodity Contract [Member] | Crude Oil | Roll Differential Swap |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 2,396 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 16,855 |
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 2,396 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 16,855 |
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Price Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 2,533 |
Commodity Contract [Member] | Natural Gas | Price Swaps | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Price Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 2,533 |
Commodity Contract [Member] | Natural Gas | Price Swaps | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Collars |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 4,338 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 4,313 |
Commodity Contract [Member] | Natural Gas | Collars | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Collars | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 4,338 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 4,313 |
Commodity Contract [Member] | Natural Gas | Collars | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Basis Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 6 | 970
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 10,671 |
Commodity Contract [Member] | Natural Gas | Basis Swaps | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 | 0
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas | Basis Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 6 | 970
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 10,671 |
Commodity Contract [Member] | Natural Gas | Basis Swaps | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 | 0
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas Liquids | Price Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 7,064 | 3,401
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 166 |
Commodity Contract [Member] | Natural Gas Liquids | Price Swaps | Fair Value, Inputs, Level 1 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 | 0
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Commodity Contract [Member] | Natural Gas Liquids | Price Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 7,064 | 3,401
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 166 |
Commodity Contract [Member] | Natural Gas Liquids | Price Swaps | Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 0 | 0
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 |
Assets From Price Risk Management Activities |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | $ 207,000 | 1,000
Liabilities From Price Risk Management Activities |  |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | $ 20,000

X
- Definition Pretax impairment charges for other assets + References No definition available. + Details
Name: | eog_PretaxImpairmentChargesForOtherAssets
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense recorded to reduce the value of oil and gas assets consisting of proved properties and other property, plant, and equipment assets as the estimate of future successful production from these properties is reduced. + References No definition available. + Details
Name: | eog_PretaxImpairmentChargesForProvedOilAndGasPropertiesAndOtherPropertyPlantAndEquipment
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of proved oil and gas property and other property, plant and equipment and other assets as of the balance sheet date. + References No definition available. + Details
Name: | eog_ProvedOilAndGasOtherPropertyPlantandEquipmentandOtherAssetsPropertyFairValue
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net dollar amount capitalized on balance sheet representing an enterprise's interests in proved crude oil (including condensate and natural gas liquids) and/or natural gas properties. + References No definition available. + Details
Name: | eog_ProvedOilAndGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsCarryingAmount
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Proved Oil and Gas Properties, Other Property, Plant and Equipment and Other Assets [Abstract] + References No definition available. + Details
Name: | eog_ProvedOilandGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsAbstract
Namespace Prefix: | eog_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_SwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=eog_RollDifferentialSwapMember
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_FinancialInstrumentAxis=eog_CollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_BasisSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=eog_AssetsFromPriceRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=eog_LiabilitiesFromPriceRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |