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Income Taxes - Schedule of Valuation Allowance (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Increase Decrease of Valuation of Allowance [Roll Forward] |  |  |
Beginning Balance | $ 207 | $ 219 | $ 219
Increase | 8 | 27 | 15
Decrease | 0 | (33) | (14)
Other | 1 | (6) | (1)
Ending Balance | $ 216 | $ 207 | $ 219

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- Definition Increase Decrease of Valuation of Allowance + References No definition available. + Details
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Namespace Prefix: | eog_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of decrease in the valuation allowance for a specified deferred tax asset. + References No definition available. + Details
Name: | eog_ValuationAllowanceDeferredTaxAssetDecreaseinAmount
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Represents dispositions/revisions/foreign exchange rate variances and the effect of statutory income tax rate changes. + References No definition available. + Details
Name: | eog_ValuationAllowanceDeferredTaxAssetOtherAmount
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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Period Type: | instant

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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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