$EOG
EOG RESOURCES INC Stock $eog

$eog Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000082118921000017 Filed on February 25, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$2.965B	$4.320B	$4.303B
YoY Change	-31.36%	-5.56%	-10.0%
Cost Of Revenue	$1.204B	$1.916B	$2.024B
YoY Change	-37.16%	-4.74%	3.05%
Gross Profit	$1.767B	$2.285B	$2.280B
YoY Change	-22.64%	-8.01%	-15.6%
Gross Profit Margin	59.6%	52.88%	52.97%
Selling, General & Admin	$226.7M	$324.9M	$338.9M
YoY Change	-30.22%	5.83%	5.81%
% of Gross Profit	12.83%	14.22%	14.87%
Research & Development	$34.40M	$28.60M	$53.50M
YoY Change	20.28%	4.38%	95.26%
% of Gross Profit	1.95%	1.25%	2.35%
Depreciation & Amortization	$870.6M	$959.2M	$953.6M
YoY Change	-9.24%	4.26%	3.86%
% of Gross Profit	49.26%	41.98%	41.83%
Operating Expenses	$1.132B	$1.313B	$1.346B
YoY Change	-13.79%	4.65%	6.32%
Operating Profit	$487.7M	$863.8M	$828.0M
YoY Change	-43.54%	-23.09%	-45.05%
Interest Expense	-$53.10M	-$40.70M	$39.62M
YoY Change	30.47%	-27.32%	-37.74%
% of Operating Profit	-10.89%	-4.71%	4.79%
Other Income/Expense, Net	-$6.800M	$8.200M	$9.118M
YoY Change	-182.93%	-61.32%	175.63%
Pretax Income	$427.8M	$831.2M	$797.5M
YoY Change	-48.53%	-23.62%	-44.86%
Income Tax	$90.29M	$194.7M	$182.3M
% Of Pretax Income	21.11%	23.42%	22.86%
Net Earnings	$337.5M	$636.5M	$615.1M
YoY Change	-46.98%	-28.7%	-48.35%
Net Earnings / Revenue	11.38%	14.73%	14.29%
Basic Earnings Per Share	$0.58	$1.10	$1.06
Diluted Earnings Per Share	$0.58	$1.10	$1.06
COMMON SHARES
Basic Shares Outstanding	579.6M shares	578.2M shares	577.8M shares
Diluted Shares Outstanding	580.9M shares	580.8M shares	581.3M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.329B	$2.028B	$1.583B
YoY Change	64.15%	30.33%	24.25%
Cash & Equivalents	$3.329B	$2.028B	$1.583B
Short-Term Investments
Other Short-Term Assets	$294.0M	$323.4M	$272.2M
YoY Change	-9.1%	17.42%	-9.94%
Inventory	$629.0M	$767.3M	$778.1M
Prepaid Expenses
Receivables	$1.522B	$1.619B	$1.928B
Other Receivables	$23.00M	$151.0M	$136.0M
Total Short-Term Assets	$5.862B	$5.273B	$4.820B
YoY Change	11.16%	4.27%	0.05%
LONG-TERM ASSETS
Property, Plant & Equipment	$28.60B	$30.36B	$30.20B
YoY Change	-5.81%	8.15%	8.07%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.342B	$1.484B	$1.516B
YoY Change	-9.59%	85.36%	77.12%
Total Long-Term Assets	$29.94B	$31.85B	$31.72B
YoY Change	-5.99%	10.3%	10.07%
TOTAL ASSETS
Total Short-Term Assets	$5.862B	$5.273B	$4.820B
Total Long-Term Assets	$29.94B	$31.85B	$31.72B
Total Assets	$35.81B	$37.13B	$36.54B
YoY Change	-3.56%	9.4%	8.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.681B	$2.429B	$2.395B
YoY Change	-30.8%	8.45%	-1.67%
Accrued Expenses	$295.0M	$369.0M	$384.0M
YoY Change	-20.05%	71.85%	54.07%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$781.0M	$1.015B	$1.014B
YoY Change	-23.02%	11.11%	-19.69%
Total Short-Term Liabilities	$3.460B	$4.487B	$4.474B
YoY Change	-22.89%	20.35%	1.1%
LONG-TERM LIABILITIES
Long-Term Debt	$5.035B	$4.161B	$4.163B
YoY Change	21.01%	-19.52%	-19.51%
Other Long-Term Liabilities	$2.149B	$1.790B	$1.858B
YoY Change	20.06%	42.24%	42.7%
Total Long-Term Liabilities	$7.184B	$5.951B	$6.021B
YoY Change	20.72%	-7.43%	-6.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.460B	$4.487B	$4.474B
Total Long-Term Liabilities	$7.184B	$5.951B	$6.021B
Total Liabilities	$10.64B	$10.44B	$10.50B
YoY Change	1.98%	2.77%	-3.71%
SHAREHOLDERS EQUITY
Retained Earnings	$14.17B	$15.65B	$15.18B
YoY Change	-9.45%	15.55%	18.79%
Common Stock	$206.0M	$205.8M	$205.8M
YoY Change	0.09%	0.01%	0.01%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$7.000M	$26.53M	$26.31M
YoY Change	-73.62%	-37.1%	-49.64%
Treasury Stock Shares	124.3K shares	298.8K shares	289.9K shares
Shareholders Equity	$20.30B	$21.64B	$21.12B
YoY Change
Total Liabilities & Shareholders Equity	$35.81B	$37.12B	$36.54B
YoY Change	-3.55%	9.4%	8.63%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$337.5M	$636.5M	$615.1M
YoY Change	-46.98%	-28.7%	-48.35%
Depreciation, Depletion And Amortization	$870.6M	$959.2M	$953.6M
YoY Change	-9.24%	4.26%	3.86%
Cash From Operating Activities	$1.121B	$1.807B	$2.062B
YoY Change	-37.95%	-13.33%	-5.84%
INVESTING ACTIVITIES
Capital Expenditures	-$841.2M	-$1.368B	-$1.491B
YoY Change	-38.52%	5.08%	-9.6%
Acquisitions
YoY Change
Other Investing Activities	$204.3M	$171.3M	$34.40M
YoY Change	19.26%	1563.11%	-124.66%
Cash From Investing Activities	-$636.8M	-$1.197B	-$1.456B
YoY Change	-46.8%	-7.34%	-18.58%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-219.5M	-165.1M	-182.5M
YoY Change	32.95%	-65.36%	35.49%
NET CHANGE
Cash From Operating Activities	1.121B	1.807B	2.062B
Cash From Investing Activities	-636.8M	-1.197B	-1.456B
Cash From Financing Activities	-219.5M	-165.1M	-182.5M
Net Change In Cash	265.0M	445.0M	422.8M
YoY Change	-40.45%	40.51%	58.83%
FREE CASH FLOW
Cash From Operating Activities	$1.121B	$1.807B	$2.062B
Capital Expenditures	-$841.2M	-$1.368B	-$1.491B
Free Cash Flow	$1.962B	$3.175B	$3.552B
YoY Change	-38.2%	-6.26%	-7.46%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000821189
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2019	eog	Significantamountsreclassifiedoutof Aoci SignificantamountsreclassifiedoutofAOCI	0	USD
CY2018	eog	Significantamountsreclassifiedoutof Aoci SignificantamountsreclassifiedoutofAOCI	0	USD
CY2018	eog	Significantamountsreclassifiedoutof Aoci SignificantamountsreclassifiedoutofAOCI	0	USD
CY2018Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2018Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2020	eog	Operating And Finance Leases Not Yet Commenced Lease Term OperatingAndFinanceLeasesNotYetCommencedLeaseTerm	P2Y
CY2020	eog	Annual Rateof Discountto Present Value AnnualRateofDiscounttoPresentValue	0.10
CY2019	eog	Annual Rateof Discountto Present Value AnnualRateofDiscounttoPresentValue	0.10
CY2018	eog	Annual Rateof Discountto Present Value AnnualRateofDiscounttoPresentValue	0.10
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	1-9743
CY2020	dei	Entity Registrant Name EntityRegistrantName	EOG RESOURCES, INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-0684736
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	1111 Bagby
CY2020	dei	Entity Address Address Line2 EntityAddressAddressLine2	Sky Lobby 2
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77002
CY2020	dei	City Area Code CityAreaCode	713
CY2020	dei	Local Phone Number LocalPhoneNumber	651-7000
CY2020	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2020	dei	Trading Symbol TradingSymbol	EOG
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	29444000000	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	583563479	shares
CY2020	us-gaap	Revenues Revenues	11032048000	USD
CY2019	us-gaap	Revenues Revenues	17379973000	USD
CY2018	us-gaap	Revenues Revenues	17275399000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	1063374000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	1366993000	USD
CY2018	us-gaap	Operating Lease Expense OperatingLeaseExpense	1282678000	USD
CY2020	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	734989000	USD
CY2019	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	758300000	USD
CY2018	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	746876000	USD
CY2020	eog	Gathering And Processing Costs GatheringAndProcessingCosts	459211000	USD
CY2019	eog	Gathering And Processing Costs GatheringAndProcessingCosts	479102000	USD
CY2018	eog	Gathering And Processing Costs GatheringAndProcessingCosts	436973000	USD
CY2020	us-gaap	Exploration Expense ExplorationExpense	145788000	USD
CY2019	us-gaap	Exploration Expense ExplorationExpense	139881000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	148999000	USD
CY2020	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	13083000	USD
CY2019	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	28001000	USD
CY2018	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	5405000	USD
CY2020	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2099780000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	517896000	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	347021000	USD
CY2020	eog	Marketing Costs MarketingCosts	2697729000	USD
CY2019	eog	Marketing Costs MarketingCosts	5351524000	USD
CY2018	eog	Marketing Costs MarketingCosts	5203243000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3400353000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3749704000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3435408000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	483823000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	489397000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	426969000	USD
CY2020	eog	Taxes Other Than Income TaxesOtherThanIncome	477934000	USD
CY2019	eog	Taxes Other Than Income TaxesOtherThanIncome	800164000	USD
CY2018	eog	Taxes Other Than Income TaxesOtherThanIncome	772481000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	11576064000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	13680962000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	12806053000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-544016000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	3699011000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	4469346000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	10228000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	31385000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	16704000	USD
CY2020	eog	Income Before Interest Expense And Income Taxes IncomeBeforeInterestExpenseAndIncomeTaxes	-533788000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	821958000	USD
CY2019	eog	Income Before Interest Expense And Income Taxes IncomeBeforeInterestExpenseAndIncomeTaxes	3730396000	USD
CY2018	eog	Income Before Interest Expense And Income Taxes IncomeBeforeInterestExpenseAndIncomeTaxes	4486050000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	236154000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	223421000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	269549000	USD
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	30888000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	38292000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	24497000	USD
CY2020	us-gaap	Interest Expense InterestExpense	205266000	USD
CY2019	us-gaap	Interest Expense InterestExpense	185129000	USD
CY2018	us-gaap	Interest Expense InterestExpense	245052000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-739054000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3545267000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4240998000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-134482000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	810357000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-604572000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2734910000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3419040000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.04
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.73
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.93
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.04
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.71
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	578949000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	577670000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	576578000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	578949000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580777000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580441000	shares
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-604572000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2734910000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3419040000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-7346000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2883000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	16816000	USD
CY2020	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-330000	USD
CY2019	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-678000	USD
CY2018	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	1123000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7676000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3561000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17939000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-612248000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2731349000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3436979000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3328928000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2027972000	USD
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1522256000	USD
CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	2001658000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	629401000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	767297000	USD
CY2020Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	64559000	USD
CY2019Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	1299000	USD
CY2020Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	23037000	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	151665000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	293987000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	323448000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	5862168000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	5273339000	USD
CY2020Q4	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	64792798000	USD
CY2019Q4	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	62830415000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	4478976000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	4472246000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	69271774000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	67302661000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	40673147000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	36938066000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28598627000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30364595000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	2127000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	2363000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1341679000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1484311000	USD
CY2020Q4	us-gaap	Assets Assets	35804601000	USD
CY2019Q4	us-gaap	Assets Assets	37124608000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1681193000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2429127000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	205754000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	254850000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	217419000	USD
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	166273000	USD
CY2020Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	0	USD
CY2019Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	20194000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	781054000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1014524000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	295089000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	369365000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	279595000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	232655000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3460104000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4486988000	USD
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CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4160919000	USD
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CY2020Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4859327000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	5046101000	USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1280000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1280000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	583694850	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	582213016	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	205837000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	205822000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5945024000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5817475000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-12328000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4652000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	14169969000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	15648604000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	124265	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	298820	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6615000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	26533000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20301887000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21640716000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	35804601000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	37124608000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16283273000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3419040000	USD
CY2018	eog	Common Stock Issued Under Stock Plans Net CommonStockIssuedUnderStockPlansNet	5620000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.81
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	469443000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17939000	USD
CY2018	eog	Treasury Stock Issued Under Stock Plans TreasuryStockIssuedUnderStockPlans	48454000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	155337000	USD
CY2018	eog	Treasury Stock Issued As Compensation TreasuryStockIssuedAsCompensation	-876000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	19364188000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2734910000	USD
CY2019	eog	Common Stock Issued Under Stock Plans Net CommonStockIssuedUnderStockPlansNet	-8000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.0825
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	629169000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3561000	USD
CY2019	eog	Treasury Stock Issued Under Stock Plans TreasuryStockIssuedUnderStockPlans	6853000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	174738000	USD
CY2019	eog	Treasury Stock Issued As Compensation TreasuryStockIssuedAsCompensation	-6471000	USD
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	0	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21640716000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-604572000	USD
CY2020	eog	Common Stock Issued Under Stock Plans Net CommonStockIssuedUnderStockPlansNet	0	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.50
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	874063000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7676000	USD
CY2020	eog	Treasury Stock Issued Under Stock Plans TreasuryStockIssuedUnderStockPlans	63000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	146396000	USD
CY2020	eog	Treasury Stock Issued As Compensation TreasuryStockIssuedAsCompensation	-1149000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20301887000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-604572000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2734910000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3419040000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3400353000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3749704000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3435408000	USD
CY2019	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	28001000	USD
CY2020	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2099780000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	517896000	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	347021000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	146396000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	174738000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	155337000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-186390000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	631658000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	894156000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-46883000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	123613000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	174562000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-12826000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4496000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-7066000	USD
CY2020	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	13083000	USD
CY2018	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	5405000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	1144737000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	180275000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-165640000	USD
CY2020	eog	Realized Gains Losses RealizedGainsLosses	1070647000	USD
CY2019	eog	Realized Gains Losses RealizedGainsLosses	231229000	USD
CY2018	eog	Realized Gains Losses RealizedGainsLosses	-258906000	USD
CY2020	eog	Other Net Excluding Gains Losses OtherNetExcludingGainsLosses	1354000	USD
CY2019	eog	Other Net Excluding Gains Losses OtherNetExcludingGainsLosses	962000	USD
CY2018	eog	Other Net Excluding Gains Losses OtherNetExcludingGainsLosses	3108000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-466523000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	91792000	USD
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	368180000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-122647000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-90284000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	395408000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-795267000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	168539000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	439347000	USD
CY2020	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-49096000	USD
CY2019	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	40122000	USD
CY2018	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-92461000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-324521000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-358001000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	125435000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	8098000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-56619000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	10949000	USD
CY2020	eog	Changes In Components Of Working Capital Associated With Investing And Financing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingAndFinancingActivities	74734000	USD
CY2019	eog	Changes In Components Of Working Capital Associated With Investing And Financing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingAndFinancingActivities	-115061000	USD
CY2018	eog	Changes In Components Of Working Capital Associated With Investing And Financing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingAndFinancingActivities	301083000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5007783000	USD
CY2018	eog	Changes In Components Of Working Capital Associated With Investing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingActivities	-301140000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3347506000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	8163180000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	7768608000	USD
CY2020	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	3243474000	USD
CY2019	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	6151885000	USD
CY2018	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	5839294000	USD
CY2020	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	221226000	USD
CY2019	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	270641000	USD
CY2018	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	237181000	USD
CY2020	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	191928000	USD
CY2019	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	140292000	USD
CY2018	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	227446000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	10000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	19993000	USD
CY2020	eog	Changes In Components Of Working Capital Associated With Investing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingActivities	-74734000	USD
CY2019	eog	Changes In Components Of Working Capital Associated With Investing Activities ChangesInComponentsOfWorkingCapitalAssociatedWithInvestingActivities	115061000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6177173000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6170162000	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	1483852000	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1000000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	900000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	350000000	USD
CY2020	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	820823000	USD
CY2019	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	588200000	USD
CY2018	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	438045000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16130000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	25152000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	63456000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	16169000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	17946000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	20560000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2649000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5016000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2020	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	19444000	USD
CY2019	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	12899000	USD
CY2018	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	8219000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	57000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-359025000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1513321000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-839103000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-296000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-348000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-37937000	USD
CY2020	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1300956000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	472338000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	721406000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2027972000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1555634000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	834228000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3328928000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2027972000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1555634000	USD
CY2019Q4	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	-46116000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4859327000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	5046101000	USD
CY2018	us-gaap	Revenues Revenues	17275399000	USD
CY2018	eog	Gathering And Processing Costs GatheringAndProcessingCosts	436973000	USD
CY2018	eog	Marketing Costs MarketingCosts	5203243000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	12806053000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	4469346000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1337000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1619000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1460000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	5640000000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	5140000000	USD
CY2020Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	212217000	USD
CY2019Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	57900000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	781054000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1014524000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	30931000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	19528000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4240998000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4857200000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	5043738000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4881000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	2929000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5035351000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4160919000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	750000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1250000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	500000000	USD
CY2020	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	1480000000	USD
CY2020Q4	eog	Treasury Stock Acquired Repurchase Shares Authorization TreasuryStockAcquiredRepurchaseSharesAuthorization	10000000	shares
CY2020Q4	eog	Treasury Stock Acquired Repurchase Shares Authorization Available TreasuryStockAcquiredRepurchaseSharesAuthorizationAvailable	6386200	shares
CY2021Q1	eog	Dividends Common Stock Declared Per Share DividendsCommonStockDeclaredPerShare	0.375
CY2021Q1	eog	Dividends Payable Amount Per Share After Increase DividendsPayableAmountPerShareAfterIncrease	0.4125
CY2020	eog	Dividends Common Stock Declared Per Share DividendsCommonStockDeclaredPerShare	0.2875
CY2020	eog	Dividends Payable Amount Per Share After Increase DividendsPayableAmountPerShareAfterIncrease	0.375
CY2019	eog	Dividends Common Stock Declared Per Share DividendsCommonStockDeclaredPerShare	0.22
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-756479000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	3466578000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	4084156000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	17425000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	78689000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	156842000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-739054000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3545267000	USD
CY2019	eog	Dividends Payable Amount Per Share After Increase DividendsPayableAmountPerShareAfterIncrease	0.2875
CY2018	eog	Dividends Common Stock Declared Per Share DividendsCommonStockDeclaredPerShare	0.1850
CY2018	eog	Dividends Payable Amount Per Share After Increase DividendsPayableAmountPerShareAfterIncrease	0.22
CY2017	eog	Dividends Payable Amount Per Share After Increase DividendsPayableAmountPerShareAfterIncrease	0.1675
CY2018	eog	Dividends Common Stock Declared Per Share DividendsCommonStockDeclaredPerShare	0.1850
CY2020	eog	Schedule Of Common Stock Activity Textblock ScheduleOfCommonStockActivityTextblock	<div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following summarizes Common Stock activity for each of the years ended December 31, 2018, 2019 and 2020 (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:59.163%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.656%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.533%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.656%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.533%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.659%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Common Shares</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Issued</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Treasury</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Outstanding</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at December 31, 2017</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">578,828 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(351)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">578,477 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,580 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,580 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-indent:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Purchased </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(539)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(539)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Employee Stock Purchase Plan</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">180 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">180 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">325 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">325 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at December 31, 2018</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">580,408 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(385)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">580,023 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,688 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,688 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-indent:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Purchased </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(310)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(310)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Employee Stock Purchase Plan</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">117 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">106 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">223 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">290 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">290 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at December 31, 2019</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">582,213 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(299)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">581,914 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,482 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,482 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-indent:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Purchased </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(389)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(389)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common Stock Issued Under Employee Stock Purchase Plan</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">377 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">377 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury Stock Issued Under Stock-Based Compensation Plans</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">187 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">187 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at December 31, 2020</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">583,695 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(124)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">583,571 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr></table></div>(1) Represents shares that were withheld by or returned to EOG (i) in satisfaction of tax withholding obligations that arose upon the exercise of employee stock options or SARs or the vesting of restricted stock, restricted stock unit or performance unit grants or (ii) in payment of the exercise price of employee stock options.
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	267000	USD
CY2020	eog	Significantamountsreclassifiedoutof Aoci SignificantamountsreclassifiedoutofAOCI	0	USD
CY2020	us-gaap	Interest Income Other InterestIncomeOther	12000000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-2000000	USD
CY2019	us-gaap	Interest Income Other InterestIncomeOther	26000000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	2000000	USD
CY2018	us-gaap	Interest Income Other InterestIncomeOther	12000000	USD
CY2018	eog	Adjustmenttodeferredcompensationexpense Adjustmenttodeferredcompensationexpense	6000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-7000000	USD
CY2020Q4	eog	Deferred Tax Assets Property Plant And Equipment Foreign DeferredTaxAssetsPropertyPlantAndEquipmentForeign	25129000	USD
CY2019Q4	eog	Deferred Tax Assets Property Plant And Equipment Foreign DeferredTaxAssetsPropertyPlantAndEquipmentForeign	5825000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	74280000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	66675000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	97499000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	70455000	USD
CY2020Q4	eog	Deferred Tax Assets Other Foreign DeferredTaxAssetsOtherForeign	217000	USD
CY2019Q4	eog	Deferred Tax Assets Other Foreign DeferredTaxAssetsOtherForeign	318000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	2127000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-107834000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-152258000	USD
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CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6790000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10819000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	17048000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	2363000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5028010000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5277550000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	-14518000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	4699000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	42594000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	47650000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	8502000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	102944000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	108324000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	31904000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	9843000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	15746000	USD
CY2020Q4	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	-47506000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	40248000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	81426000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	65615000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-60796000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-60013000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-221190000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-153027000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	626901000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	862075000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-15400000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	32541000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	43293000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-17963000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-27784000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-11212000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-186390000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	631658000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	894156000	USD
CY2020	eog	Other Noncurrent Federal Income Tax OtherNoncurrentFederalIncomeTax	112704000	USD
CY2019	eog	Other Noncurrent Federal Income Tax OtherNoncurrentFederalIncomeTax	245125000	USD
CY2018	eog	Other Noncurrent Federal Income Tax OtherNoncurrentFederalIncomeTax	148992000	USD
CY2020	eog	Other Noncurrent Foreign Income Tax OtherNoncurrentForeignIncomeTax	0	USD
CY2019	eog	Other Noncurrent Foreign Income Tax OtherNoncurrentForeignIncomeTax	-6413000	USD
CY2018	eog	Other Noncurrent Foreign Income Tax OtherNoncurrentForeignIncomeTax	0	USD
CY2020	us-gaap	Other Income Tax Expense Benefit Continuing Operations OtherIncomeTaxExpenseBenefitContinuingOperations	112704000	USD
CY2019	us-gaap	Other Income Tax Expense Benefit Continuing Operations OtherIncomeTaxExpenseBenefitContinuingOperations	238712000	USD
CY2018	us-gaap	Other Income Tax Expense Benefit Continuing Operations OtherIncomeTaxExpenseBenefitContinuingOperations	148992000	USD
CY2020	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-134482000	USD
CY2019	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	810357000	USD
CY2018	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	821958000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0092
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0097
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0112
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0009
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CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0051
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CY2019	eog	Income Tax Provision Relatedto Canadian Operationsinhundredths IncomeTaxProvisionRelatedtoCanadianOperationsinhundredths	0
CY2018	eog	Income Tax Provision Relatedto Canadian Operationsinhundredths IncomeTaxProvisionRelatedtoCanadianOperationsinhundredths	0
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CY2019	eog	Effective Tax Rate Relatedto Tcj Ainhundredths EffectiveTaxRateRelatedtoTCJAinhundredths	0
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CY2020	eog	Effective Tax Rate Related To Shared Based Compensation EffectiveTaxRateRelatedToSharedBasedCompensation	-0.0294
CY2019	eog	Effective Tax Rate Related To Shared Based Compensation EffectiveTaxRateRelatedToSharedBasedCompensation	0.0002
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CY2020	eog	Effective Income Tax Rate Reconciliation Other Items EffectiveIncomeTaxRateReconciliationOtherItems	0.0174
CY2019	eog	Effective Income Tax Rate Reconciliation Other Items EffectiveIncomeTaxRateReconciliationOtherItems	0
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CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2286
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CY2018	eog	Tax Net Operating Losses TaxNetOperatingLosses	-0.012
CY2018	eog	Sequestration Sequestration	-0.010
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CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	200831000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	167142000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	466421000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	25573000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	30673000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	23062000	USD
CY2020	eog	Valuation Allowance Deferred Tax Asset Decreasein Amount ValuationAllowanceDeferredTaxAssetDecreaseinAmount	-11343000	USD
CY2019	eog	Valuation Allowance Deferred Tax Asset Decreasein Amount ValuationAllowanceDeferredTaxAssetDecreaseinAmount	-75000	USD
CY2018	eog	Valuation Allowance Deferred Tax Asset Decreasein Amount ValuationAllowanceDeferredTaxAssetDecreaseinAmount	-26219000	USD
CY2020	eog	Valuation Allowance Deferred Tax Asset Other Amount ValuationAllowanceDeferredTaxAssetOtherAmount	3942000	USD
CY2019	eog	Valuation Allowance Deferred Tax Asset Other Amount ValuationAllowanceDeferredTaxAssetOtherAmount	3091000	USD
CY2018	eog	Valuation Allowance Deferred Tax Asset Other Amount ValuationAllowanceDeferredTaxAssetOtherAmount	-296122000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	219003000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	200831000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	167142000	USD
CY2020	eog	Balanceofstatenetoperatinglossexpectedtobecarriedforward Balanceofstatenetoperatinglossexpectedtobecarriedforward	1900000000	USD
CY2020Q4	eog	Canadian Net Operating Loss Carryforwards CanadianNetOperatingLossCarryforwards	275000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	29000000	USD
CY2020	eog	Earnings Decrease Due To Settlement Of Uncertain Tax Positions EarningsDecreaseDueToSettlementOfUncertainTaxPositions	5000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2020Q4	eog	Foreign And State Deferred Income Taxes ForeignAndStateDeferredIncomeTaxes	10000000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	146000000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	175000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	155000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2000000.0	shares
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-22000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-1000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	20000000	USD
CY2020Q4	eog	Financial Standby Letter Of Credit FinancialStandbyLetterOfCredit	854000000	USD
CY2019Q4	eog	Financial Standby Letter Of Credit FinancialStandbyLetterOfCredit	902000000	USD
CY2021Q1	eog	Subsidiaryguaranteesdemandforpayment Subsidiaryguaranteesdemandforpayment	0	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	1393000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due In Rolling Year Two UnrecordedUnconditionalPurchaseObligationDueInRollingYearTwo	1263000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	1064000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	790000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	649000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	2764000000	USD
CY2020Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	7923000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-604572000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2734910000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3419040000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	578949000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	577670000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	576578000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	578949000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580777000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580441000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.04
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.73
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CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.04
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.71
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9600000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6100000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	600000	shares
CY2020	us-gaap	Interest Paid Net InterestPaidNet	205447000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	186546000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	243279000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-205795000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-291849000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	75634000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	414000000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	612000000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	592000000	USD
CY2020	eog	Non Cash Investing And Financing Activities From Property Exchanges NonCashInvestingAndFinancingActivitiesFromPropertyExchanges	212000000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	174000000	USD
CY2019	eog	Non Cash Investing And Financing Activities From Property Exchanges NonCashInvestingAndFinancingActivitiesFromPropertyExchanges	150000000	USD
CY2018	eog	Non Cash Investing And Financing Activities From Property Exchanges NonCashInvestingAndFinancingActivitiesFromPropertyExchanges	362000000	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	49000000	USD
CY2020	us-gaap	Revenues Revenues	11032048000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3400353000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-544016000	USD
CY2020	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	11739000	USD
CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	-1511000	USD
CY2020	us-gaap	Interest Expense InterestExpense	205266000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-739054000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-134482000	USD
CY2020	eog	Payments To Acquire Oil And Gas Property And Equipment Excluding Dry Hole Costs PaymentsToAcquireOilAndGasPropertyAndEquipmentExcludingDryHoleCosts	3441858000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28598627000	USD
CY2020Q4	us-gaap	Assets Assets	35804601000	USD
CY2019	us-gaap	Revenues Revenues	17379973000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3749704000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	3699011000	USD
CY2019	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	26026000	USD
CY2020	eog	Impairment Charge For Proved Oil And Gas Properties And Other Property Plant And Equipmentand Other Assets ImpairmentChargeForProvedOilAndGasPropertiesAndOtherPropertyPlantAndEquipmentandOtherAssets	1268000000	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5359000	USD
CY2019	us-gaap	Interest Expense InterestExpense	185129000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3545267000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	810357000	USD
CY2019	eog	Payments To Acquire Oil And Gas Property And Equipment Excluding Dry Hole Costs PaymentsToAcquireOilAndGasPropertyAndEquipmentExcludingDryHoleCosts	6273952000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30364595000	USD
CY2019Q4	us-gaap	Assets Assets	37124608000	USD
CY2018	us-gaap	Revenues Revenues	17275399000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3435408000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	4469346000	USD
CY2018	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	11546000	USD
CY2018	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5158000	USD
CY2018	us-gaap	Interest Expense InterestExpense	245052000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4240998000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	821958000	USD
CY2018	eog	Payments To Acquire Oil And Gas Property And Equipment Excluding Dry Hole Costs PaymentsToAcquireOilAndGasPropertyAndEquipmentExcludingDryHoleCosts	6195330000	USD
CY2020	eog	Pretaximpairmentchargeforacommoditypricerelatedwritedownofotherassets Pretaximpairmentchargeforacommoditypricerelatedwritedownofotherassets	72000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28075519000	USD
CY2018Q4	us-gaap	Assets Assets	33934474000	USD
CY2020Q4	eog	Pretax Impairment Charges For Other Assets PretaxImpairmentChargesForOtherAssets	228000000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	1145000000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	180000000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-166000000	USD
CY2020	eog	Realized Gains Losses RealizedGainsLosses	1071000000	USD
CY2019	eog	Realized Gains Losses RealizedGainsLosses	231000000	USD
CY2018	eog	Realized Gains Losses RealizedGainsLosses	-259000000	USD
CY2020	eog	Receivable Major Customer Percentage ReceivableMajorCustomerPercentage	0.10
CY2019	eog	Receivable Major Customer Percentage ReceivableMajorCustomerPercentage	0.10
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2020Q4	eog	Proved Oil And Gas Properties Other Property Plantand Equipmentand Other Assets Carrying Amount ProvedOilAndGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsCarryingAmount	1587000000	USD
CY2020Q4	eog	Proved Oiland Gas Properties Other Property Plantand Equipmentand Other Assets Written Down Duringthe Period Fair Valueat Endof Period ProvedOilandGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsWrittenDownDuringthePeriodFairValueatEndofPeriod	319000000	USD
CY2020	eog	Proved Undeveloped Extensionsand Discoveries ProvedUndevelopedExtensionsandDiscoveries	456073	MBoe
CY2019Q4	eog	Proved Oil And Gas Properties Other Property Plantand Equipmentand Other Assets Carrying Amount ProvedOilAndGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsCarryingAmount	998000000	USD
CY2019Q4	eog	Proved Oiland Gas Properties Other Property Plantand Equipmentand Other Assets Written Down Duringthe Period Fair Valueat Endof Period ProvedOilandGasPropertiesOtherPropertyPlantandEquipmentandOtherAssetsWrittenDownDuringthePeriodFairValueatEndofPeriod	701000000	USD
CY2019	eog	Impairment Charge For Proved Oil And Gas Properties And Other Property Plant And Equipmentand Other Assets ImpairmentChargeForProvedOilAndGasPropertiesAndOtherPropertyPlantAndEquipmentandOtherAssets	297000000	USD
CY2019	eog	Impairment Charge For Proved Oil And Gas Properties And Other Property Plant And Equipmentand Other Assets ImpairmentChargeForProvedOilAndGasPropertiesAndOtherPropertyPlantAndEquipmentandOtherAssets	297000000	USD
CY2019	eog	Pretaximpairmentchargesforprovedoilandgaspropertiesandotherassetsforfirmcommitmentcontracts Pretaximpairmentchargesforprovedoilandgaspropertiesandotherassetsforfirmcommitmentcontracts	152000000	USD
CY2019	eog	Pretaximpairmentchargeforacommoditypricerelatedwritedownofotherassets Pretaximpairmentchargeforacommoditypricerelatedwritedownofotherassets	90000000	USD
CY2020Q4	us-gaap	Senior Notes SeniorNotes	5640000000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	5140000000	USD
CY2020Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	6505000000	USD
CY2019Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	5452000000	USD
CY2020	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2099780000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	517896000	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	347021000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1110710000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	954377000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	57477000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	98874000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	54027000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	58673000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	47083000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	43462000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	53888000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	72425000	USD
CY2020	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	1407000	USD
CY2019	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	245000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1216538000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1110710000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	49548000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	37127000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1166990000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1073583000	USD
CY2020	eog	Net Changes In Suspended Well Costs NetChangesInSuspendedWellCosts	<div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">EOG's net changes in capitalized exploratory well costs for the years ended December 31, 2020, 2019 and 2018 are presented below (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.099%"><tr><td style="width:1.0%"/><td style="width:58.512%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.865%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.545%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.865%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.545%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.868%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2018</span></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at January 1</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,897 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,121 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,167 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Additions Pending the Determination of Proved Reserves</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">107,852 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">83,175 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,304 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reclassifications to Proved Properties</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(81,071)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(39,325)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(7,917)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-indent:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Costs Charged to Expense </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(23,822)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(22,074)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(433)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Balance at December 31</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,856 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,897 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,121 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:26.315%"><tr><td style="width:1.0%"/><td style="width:98.900%"/><td style="width:0.1%"/></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000000;padding:0 1pt"/></tr></table></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(1) Includes capitalized exploratory well costs charged to either dry hole costs or impairments.</span></div>
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	25897000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	4121000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	2167000	USD
CY2020	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	107852000	USD
CY2019	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	83175000	USD
CY2018	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	10304000	USD
CY2020	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	81071000	USD
CY2019	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	39325000	USD
CY2018	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	7917000	USD
CY2020	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	23822000	USD
CY2019	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	22074000	USD
CY2018	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	433000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	28856000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	25897000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	4121000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	26408000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	25897000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	4121000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2448000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	0	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	0	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	28856000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	25897000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	4121000	USD
CY2020Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	1	well
CY2019Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	0	well
CY2018Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	0	well
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-47000000	USD
CY2020	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	192000000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	124000000	USD
CY2019	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	140000000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	175000000	USD
CY2018	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	227000000	USD
CY2019	srt	Consolidated Oil And Gas Production Costs Per Unit Of Production ConsolidatedOilAndGasProductionCostsPerUnitOfProduction	4.54
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	393000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	497000000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	21000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	13000000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	4000000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2000000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	91000000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	138000000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	194000000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	333000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	703000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	983000000	USD
CY2020Q4	eog	Lease Rightof Use Asset LeaseRightofUseAsset	1075000000	USD
CY2019Q4	eog	Lease Rightof Use Asset LeaseRightofUseAsset	826000000	USD
CY2020Q4	eog	Lease Liability LeaseLiability	1148000000	USD
CY2020	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-18445993000	USD
CY2019Q4	eog	Lease Liability LeaseLiability	857000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	893000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	174000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	784000000	USD
CY2018Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	566000000	USD
CY2020Q4	eog	Operating And Finance Leases Not Yet Commenced Payments Due OperatingAndFinanceLeasesNotYetCommencedPaymentsDue	100000000	USD
CY2020	eog	Maximum Operating And Finance Leases Not Yet Commenced Lease Term MaximumOperatingAndFinanceLeasesNotYetCommencedLeaseTerm	P9Y
CY2017Q4	srt	Proved Developed Reserves Boe1 ProvedDevelopedReservesBOE1	1364335	MBoe
CY2018Q4	srt	Proved Developed Reserves Boe1 ProvedDevelopedReservesBOE1	1548137	MBoe
CY2019Q4	srt	Proved Developed Reserves Boe1 ProvedDevelopedReservesBOE1	1721212	MBoe
CY2020Q4	srt	Proved Developed Reserves Boe1 ProvedDevelopedReservesBOE1	1649098	MBoe
CY2019Q4	eog	Proved Undeveloped Reserves Beginning Balance ProvedUndevelopedReservesBeginningBalance	1607856	MBoe
CY2018Q4	eog	Proved Undeveloped Reserves Beginning Balance ProvedUndevelopedReservesBeginningBalance	1379709	MBoe
CY2017Q4	eog	Proved Undeveloped Reserves Beginning Balance ProvedUndevelopedReservesBeginningBalance	1162635	MBoe
CY2019	eog	Proved Undeveloped Extensionsand Discoveries ProvedUndevelopedExtensionsandDiscoveries	578317	MBoe
CY2018	eog	Proved Undeveloped Extensionsand Discoveries ProvedUndevelopedExtensionsandDiscoveries	490725	MBoe
CY2020	eog	Proved Undeveloped Reserves Revisions ProvedUndevelopedReservesRevisions	-277325	MBoe
CY2019	eog	Proved Undeveloped Reserves Revisions ProvedUndevelopedReservesRevisions	-49837	MBoe
CY2018	eog	Proved Undeveloped Reserves Revisions ProvedUndevelopedReservesRevisions	-8244	MBoe
CY2020	eog	Acquisitionof Reserves Mboe AcquisitionofReservesMBOE	47	MBoe
CY2019	eog	Acquisitionof Reserves Mboe AcquisitionofReservesMBOE	1711	MBoe
CY2018	eog	Acquisitionof Reserves Mboe AcquisitionofReservesMBOE	311	MBoe
CY2020	eog	Proved Undeveloped Reserves Salesof Reserves ProvedUndevelopedReservesSalesofReserves	-3670	MBoe
CY2019	eog	Proved Undeveloped Reserves Salesof Reserves ProvedUndevelopedReservesSalesofReserves	0	MBoe
CY2018	eog	Proved Undeveloped Reserves Salesof Reserves ProvedUndevelopedReservesSalesofReserves	0	MBoe
CY2020	eog	Proved Undeveloped Conversionto Proved Developed Reserves ProvedUndevelopedConversiontoProvedDevelopedReserves	-212158	MBoe
CY2019	eog	Proved Undeveloped Conversionto Proved Developed Reserves ProvedUndevelopedConversiontoProvedDevelopedReserves	-302044	MBoe
CY2018	eog	Proved Undeveloped Conversionto Proved Developed Reserves ProvedUndevelopedConversiontoProvedDevelopedReserves	-265718	MBoe
CY2020Q4	eog	Proved Undeveloped Reserves Ending Balance ProvedUndevelopedReservesEndingBalance	1570823	MBoe
CY2019Q4	eog	Proved Undeveloped Reserves Ending Balance ProvedUndevelopedReservesEndingBalance	1607856	MBoe
CY2018	srt	Consolidated Oil And Gas Production Costs Per Unit Of Production ConsolidatedOilAndGasProductionCostsPerUnitOfProduction	4.84
CY2018Q4	eog	Proved Undeveloped Reserves Ending Balance ProvedUndevelopedReservesEndingBalance	1379709	MBoe
CY2020Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	61724487000	USD
CY2019Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	59229686000	USD
CY2020Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	3068311000	USD
CY2019Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	3600729000	USD
CY2020Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	64792798000	USD
CY2019Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	62830415000	USD
CY2020Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	38750852000	USD
CY2019Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	35033085000	USD
CY2020Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	26041946000	USD
CY2019Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	27797330000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	264778000	USD
CY2018	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	6419680000	USD
CY2020	eog	Non Cash Unproved Leasehold Acquisitions Relatedto Property Exchanges NonCashUnprovedLeaseholdAcquisitionsRelatedtoPropertyExchanges	197000000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	135162000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	399940000	USD
CY2020	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	296028000	USD
CY2020	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	3022263000	USD
CY2020	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	3718231000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	276092000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	379938000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	656030000	USD
CY2019	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	273339000	USD
CY2019	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	5698856000	USD
CY2019	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	6628225000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	487339000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	123684000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	611023000	USD
CY2018	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	193628000	USD
CY2018	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	5615029000	USD
CY2020	eog	Non Cash Proved Property Acquisition Costs Relatedto Property Exchanges NonCashProvedPropertyAcquisitionCostsRelatedtoPropertyExchanges	15000000	USD
CY2019	eog	Non Cash Unproved Leasehold Acquisitions Relatedto Property Exchanges NonCashUnprovedLeaseholdAcquisitionsRelatedtoPropertyExchanges	98000000	USD
CY2019	eog	Non Cash Proved Property Acquisition Costs Relatedto Property Exchanges NonCashProvedPropertyAcquisitionCostsRelatedtoPropertyExchanges	52000000	USD
CY2018	eog	Non Cash Unproved Leasehold Acquisitions Relatedto Property Exchanges NonCashUnprovedLeaseholdAcquisitionsRelatedtoPropertyExchanges	291000000	USD
CY2018	eog	Non Cash Proved Property Acquisition Costs Relatedto Property Exchanges NonCashProvedPropertyAcquisitionCostsRelatedtoPropertyExchanges	71000000	USD
CY2020	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	7290256000	USD
CY2020	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	60954000	USD
CY2020	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	7351210000	USD
CY2020	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	145788000	USD
CY2020	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	13083000	USD
CY2020	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	734989000	USD
CY2020	eog	Gathering And Processing Costs GatheringAndProcessingCosts	459211000	USD
CY2020	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	1517347000	USD
CY2020	us-gaap	Results Of Operations Impairment Of Oil And Gas Properties ResultsOfOperationsImpairmentOfOilAndGasProperties	2099780000	USD
CY2020	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	3268075000	USD
CY2020	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	-887063000	USD
CY2020	eog	Tax Provision Benefit TaxProvisionBenefit	-193483000	USD
CY2020	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-693580000	USD
CY2019	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	11581445000	USD
CY2019	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	134358000	USD
CY2019	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	11715803000	USD
CY2019	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	139881000	USD
CY2019	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	28001000	USD
CY2019	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	758300000	USD
CY2019	eog	Gathering And Processing Costs GatheringAndProcessingCosts	479102000	USD
CY2019	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	2133986000	USD
CY2019	us-gaap	Results Of Operations Impairment Of Oil And Gas Properties ResultsOfOperationsImpairmentOfOilAndGasProperties	517896000	USD
CY2019	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	3657597000	USD
CY2019	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	4001040000	USD
CY2019	eog	Tax Provision Benefit TaxProvisionBenefit	942582000	USD
CY2019	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	3058458000	USD
CY2018	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	11946487000	USD
CY2018	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	89635000	USD
CY2018	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	12036122000	USD
CY2018	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	148999000	USD
CY2018	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	5405000	USD
CY2018	us-gaap	Results Of Operations Transportation Costs ResultsOfOperationsTransportationCosts	746876000	USD
CY2018	eog	Gathering And Processing Costs GatheringAndProcessingCosts	436973000	USD
CY2018	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	2028083000	USD
CY2018	us-gaap	Results Of Operations Impairment Of Oil And Gas Properties ResultsOfOperationsImpairmentOfOilAndGasProperties	347021000	USD
CY2018	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	3320276000	USD
CY2018	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	5002489000	USD
CY2018	eog	Tax Provision Benefit TaxProvisionBenefit	1100145000	USD
CY2018	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	3902344000	USD
CY2020	srt	Consolidated Oil And Gas Production Costs Per Unit Of Production ConsolidatedOilAndGasProductionCostsPerUnitOfProduction	3.72
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	74909366000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	34826068000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	15404203000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	4442257000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	20236838000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	8546826000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11690012000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	121478362000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	42641887000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	20586449000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	11565498000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	46684528000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	21163763000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	25520765000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	134119690000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	42654642000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	16667893000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	14962141000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	59835014000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	27409059000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	32425955000	USD
CY2017Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	18327660000	USD
CY2018	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	-8734622000	USD
CY2018	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	12856429000	USD
CY2018	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	8430953000	USD
CY2018	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	2745160000	USD
CY2018	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	-410525000	USD
CY2018	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-101726000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	2042622000	USD
CY2018	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-4973058000	USD
CY2018	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	116887000	USD
CY2018	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	117932000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	2244107000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	32425955000	USD
CY2019	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	-8210438000	USD
CY2019	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-10880447000	USD
CY2019	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	5709558000	USD
CY2019	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	3032150000	USD
CY2019	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	-738024000	USD
CY2019	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-695521000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	3949758000	USD
CY2019	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	1548707000	USD
CY2019	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	98539000	USD
CY2019	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	50651000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	-668821000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	25520765000	USD
CY2020	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	-4579174000	USD
CY2020	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1501373000	USD
CY2020	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	1674800000	USD
CY2020	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	4137607000	USD
CY2020	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-3297312000	USD
CY2020	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	3104368000	USD
CY2020	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	3488199000	USD
CY2020	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	49232000	USD
CY2020	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	156293000	USD
CY2020	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	-1307560000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11690012000	USD
CY2020Q1	us-gaap	Revenues Revenues	4717692000	USD
CY2020Q2	us-gaap	Revenues Revenues	1103374000	USD
CY2020Q3	us-gaap	Revenues Revenues	2245484000	USD
CY2020Q4	us-gaap	Revenues Revenues	2965498000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	57585000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	847841000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-1086549000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-2714000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	487662000	USD
CY2020Q1	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	31003000	USD
CY2020Q2	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	-1145262000	USD
CY2020Q3	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	-52555000	USD
CY2020Q4	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	427760000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21190000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-235878000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-10088000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90294000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	9813000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-909384000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-42467000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	337466000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.57
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.57
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	578462000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	578719000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	579055000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	579624000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580283000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	578719000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	579055000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580885000	shares
CY2019Q1	us-gaap	Revenues Revenues	4058642000	USD
CY2019Q2	us-gaap	Revenues Revenues	4697630000	USD
CY2019Q3	us-gaap	Revenues Revenues	4303455000	USD
CY2019Q4	us-gaap	Revenues Revenues	4320246000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	876530000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1130771000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	827959000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	863751000	USD
CY2019Q1	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	827236000	USD
CY2019Q2	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	1089366000	USD
CY2019Q3	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	797457000	USD
CY2019Q4	eog	Income Before Income Taxes IncomeBeforeIncomeTaxes	831208000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	191810000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	241525000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	182335000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	194687000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	635426000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	615122000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	636521000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.10
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.47
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.06
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.10
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.10
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.46
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.06
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.10
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	577207000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	577460000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	577839000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	578219000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580222000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580247000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	581271000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	580849000	shares

Files In Submission

Name	View Source	Status
0000821189-21-000017-index-headers.html	Edgar Link	pending
0000821189-21-000017-index.html	Edgar Link	pending
0000821189-21-000017.txt	Edgar Link	pending
0000821189-21-000017-xbrl.zip	Edgar Link	pending
eog-20201231.htm	Edgar Link	pending
eog-20201231.xsd	Edgar Link	pending
eog-20201231_cal.xml	Edgar Link	unprocessable
eog-20201231_def.xml	Edgar Link	unprocessable
eog-20201231_g1.gif	Edgar Link	pending
eog-20201231_htm.xml	Edgar Link	completed
eog-20201231_lab.xml	Edgar Link	unprocessable
eog-20201231_pre.xml	Edgar Link	unprocessable
ex101u20201231.htm	Edgar Link	pending
ex102e20201231.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$EOG
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2020 Q4 Form 10-K Financial Statement

#000082118921000017 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$EOG EOG RESOURCES INC Stock $eog

2020 Q4 Form 10-K Financial Statement

#000082118921000017 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EOG
EOG RESOURCES INC Stock $eog