XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.22.1

Fair Value Measurements (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Disclosure [Abstract] |  |
Aggregate Principal Amount of Current and Long-Term Debt | $ 4,890 | $ 4,890
Estimated Fair Value of Debt | 5,221 | 5,577
Commodity Contract [Member] | Crude Oil | Price Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure |  | 15
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,663 | 340
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 | 0
Commodity Contract [Member] | Crude Oil | Price Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure |  | 15
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,663 | 340
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 | 0
Commodity Contract [Member] | Crude Oil | Roll Differential Swap |  |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 54 | 24
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 1 [Member] |  |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 2 [Member] |  |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 54 | 24
Commodity Contract [Member] | Crude Oil | Roll Differential Swap | Fair Value, Inputs, Level 3 [Member] |  |
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Commodity Contract [Member] | Natural Gas | Basis Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure | 23 | 2
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 1
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 | 23 | 2
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 1
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 | Price Swaps |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure |  | 29
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,091 | 121
Commodity Contract [Member] | Natural Gas | 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 | 0
Commodity Contract [Member] | Natural Gas | Price Swaps | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: [Abstract] |  |
Assets, Fair Value Disclosure |  | 29
Financial Liabilities: |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,091 | 121
Commodity Contract [Member] | Natural Gas | 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 | $ 0

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=123874694&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=123466204&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/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 3: 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=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 + 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=123874694&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=us-gaap_BasisSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |