Fair Value Measurements - Narratives (Details) MMBTU in Thousands, $ in Millions	1 Months Ended
Feb. 22, 2024 MMBTU	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Disclosures [Abstract]
Aggregate principal amount of current and long-term debt \| $		$ 3,640	$ 3,640
Estimated fair value of debt \| $		$ 3,520	$ 3,574
Long-term purchase commitment, period	10 years
Oil and gas, average sale price \| MMBTU	180
Oil and gas, sell price indexed \| MMBTU	140

Oil and Gas, Delivery Commitment, Daily Volume Quantity Committed

No definition available.

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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

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- 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://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Section 50
-Paragraph 4
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Subparagraph (c)
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-Topic 825
-SubTopic 10
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-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-10

+ Details

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- References

No definition available.

+ Details

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- 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

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration