Name:	eog_FinancialStandbyLetterOfCredit
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Guarantee by the parent company of interest and principal due under debt obligations issued by consolidated subsidiary companies through the use if letters of credit.

No definition available.

Name:	eog_GuaranteeObligationsSubsidiaryCurrent
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	eog_NotesToFinancialStatementsAbstract
Namespace Prefix:	eog_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of payment guarantees to which a parent commits on behalf of its subsidiaries, such guarantees being secured by letters of credit.

No definition available.

Name:	eog_SubsidiaryPaymentObligationsGuaranteed
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	eog_TotalMinimumCommitmentsAbstract
Namespace Prefix:	eog_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The aggregate amount of payments due in the fourth and fifth year after the balance sheet date to reduce an unrecorded unconditional purchase obligation

No definition available.

Name:	eog_UnrecordedUnconditionalPurchaseObligationDueInFourthAndFifthYear
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The aggregate amount of payments due in the second and third year after the balance sheet date to reduce an unrecorded unconditional purchase obligation

No definition available.

Name:	eog_UnrecordedUnconditionalPurchaseObligationDueInSecondAndThirdYear
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 7

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year.