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Income Taxes - Schedule of Valuation Allowance (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Increase Decrease of Valuation of Allowance [Roll Forward] |  |  |  |
Beginning Balance |  | $ 219 | $ 219 | $ 201
Increase | [1] | 27 | 15 | 25
Decrease | [2] | (33) | (14) | (11)
Other | [3] | (6) | (1) | 4
Ending Balance |  | $ 207 | $ 219 | $ 219
[1] | Increase in valuation allowance related to the generation of tax NOLs and other deferred tax assets.
[2] | Decrease in valuation allowance associated with adjustments to certain deferred tax assets and their related allowances.
[3] | Represents dispositions, revisions and/or foreign exchange rate variances and the effect of statutory income tax rate changes.

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- Definition Increase Decrease of Valuation of Allowance + References No definition available. + Details
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- Definition Amount of decrease in the valuation allowance for a specified deferred tax asset. + References No definition available. + Details
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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
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Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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