Employee Benefit Plans - Schedule of Stock Options and SARs Outstanding and Exercisable (Details) - Stock Options/SARs $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
Dec. 31, 2023 USD ($) $ / shares shares
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Stock Options and SARs Outstanding (in shares) \| shares	2,843
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 79.22
Aggregate Intrinsic Value For Stock Options/SARs Outstanding \| $	$ 121
Stock Options and SARs Exercisable (in shares) \| shares	2,282
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 78.60
Aggregate Intrinsic Value For Stock Options/SARs Exercisable \| $	$ 99
$ 34.00 to $ 52.99
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Range of Grant Prices Lower Limit (in USD per share)	$ 34
Range of Grant Prices Upper Range Limit (in USD per share)	$ 52.99
Stock Options and SARs Outstanding (in shares) \| shares	634
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 37.49
Stock Options and SARs Exercisable (in shares) \| shares	633
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 37.46
53.00 to 80.99
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Range of Grant Prices Lower Limit (in USD per share)	53.00
Range of Grant Prices Upper Range Limit (in USD per share)	$ 80.99
Stock Options and SARs Outstanding (in shares) \| shares	380
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 74.99
Stock Options and SARs Exercisable (in shares) \| shares	376
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	3 years
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 75.03
81.00 to 81.99
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Range of Grant Prices Lower Limit (in USD per share)	81.00
Range of Grant Prices Upper Range Limit (in USD per share)	$ 81.99
Stock Options and SARs Outstanding (in shares) \| shares	1,140
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	5 years
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 81.81
Stock Options and SARs Exercisable (in shares) \| shares	588
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	4 years
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 81.81
82.00 to 96.99
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Range of Grant Prices Lower Limit (in USD per share)	82.00
Range of Grant Prices Upper Range Limit (in USD per share)	$ 96.99
Stock Options and SARs Outstanding (in shares) \| shares	246
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	1 year
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 95.97
Stock Options and SARs Exercisable (in shares) \| shares	242
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	1 year
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 96.09
97.00 to 129.99
Summary Information By Grant Price Range For Stock Options And SARs Outstanding And Exercisable At End Of Period [Line Items]
Range of Grant Prices Lower Limit (in USD per share)	97.00
Range of Grant Prices Upper Range Limit (in USD per share)	$ 129.99
Stock Options and SARs Outstanding (in shares) \| shares	443
Weighted Average Remaining Life for Stock Options/SARs Outstanding (Years)	2 years
Weighted Average Grant Price For Stock Options/SARs Outstanding (in usd per share)	$ 126.57
Stock Options and SARs Exercisable (in shares) \| shares	443
Weighted Average Remaining Life For Stock Options/SARs Exercisable (Years)	2 years
Weighted Average Grant Price For Stock Options/SARs Exercisable (in usd per share)	$ 126.58

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

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

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

- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_AwardTypeAxis=eog_StockOptionsSARsAndESPPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=eog_GrantPriceRange1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=eog_GrantPriceRange2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=eog_GrantPriceRange3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=eog_GrantPriceRange4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=eog_GrantPriceRange5Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: