decrease in standby letters of credit and guarantees outstanding

No definition available.

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

- Definition

An irrevocable undertaking (typically by a financial institution) to guarantee payment of a specified financial obligation if defined events occur or fail to occur.

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Subsidiary guarantees demand for payment

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

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

+ Details

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

- Definition

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).

+ References

+ Details

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

- Definition

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

+ References

+ Details

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

Commitments and Contingencies (Details) (USD $)	12 Months Ended
Commitments and Contingencies (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 18, 2015
Commitments and Contingencies Disclosure [Abstract]
Standby letters of credit and guarantees outstanding	$ 423,000,000eog_FinancialStandbyLetterOfCredit	$ 711,000,000eog_FinancialStandbyLetterOfCredit
Decrease in standby letters of credit and guarantees outstanding	71,000,000
Subsidiary indebtedness guaranteed		150,000,000
Subsidiary payment obligations guaranteed		561,000,000
Subsidiary payment obligations demand for payment				0
Total Minimum Commitments [Abstract]
2015	1,643,053,000
2016 - 2017	1,981,982,000
2018 - 2019	1,221,216,000
2020 and beyond	974,073,000
Total Minimum Commitments	5,820,324,000
Rental expenses associated with existing leases	$ 237,000,000us-gaap_LeaseAndRentalExpense	$ 191,000,000us-gaap_LeaseAndRentalExpense	$ 182,000,000us-gaap_LeaseAndRentalExpense