Risk Management Activities - Narrative (Details) MMBTU in Thousands, $ in Millions	1 Months Ended	12 Months Ended
Feb. 29, 2024 MMBTU	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Unrealized gain (loss) on derivatives and commodity contracts		$ 204	$ 818	$ (3,982)
Cash received from (payments for) settlements of crude oil		214	$ (112)	$ (3,501)
Sales agreement term	10 years
Agreement to sell domestic gas production \| MMBTU	180
Agreement to sell at a price indexed to Brent Crude Oil \| MMBTU	140
Collateral already posted on derivative		$ 0

This element reflects realized gain (loss) on the settlement of financial commodity derivative instruments.

No definition available.

Name:	eog_CashReceivedPaidOnDerivativeInstrumentsNet
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Oil and Gas, Delivery Commitment, Daily Volume Quantity Committed

+ References

No definition available.

+ Details

Name:	eog_OilAndGasDeliveryCommitmentDailyVolumeQuantityCommitted
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

- Definition

Oil and Gas, Delivery Commitment, Daily Volume Quantity Committed, Indexed to Brent Crude Oil

+ References

No definition available.

+ Details

Name:	eog_OilAndGasDeliveryCommitmentDailyVolumeQuantityCommittedIndexedToBrentCrudeOil
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4H

+ Details

Name:	us-gaap_CollateralAlreadyPostedAggregateFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration