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

Natural Gas, Delivery Commitment, Quantity Committed, after Year Five

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedAfterYearFive
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Natural Gas, Delivery Commitment, Quantity Committed, Year Five

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedYearFive
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Natural Gas, Delivery Commitment, Quantity Committed, Year Four

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedYearFour
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Natural Gas, Delivery Commitment, Quantity Committed, Year One

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedYearOne
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Natural Gas, Delivery Commitment, Quantity Committed, Year Three

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedYearThree
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Natural Gas, Delivery Commitment, Quantity Committed, Year Two

No definition available.

Name:	eog_NaturalGasDeliveryCommitmentQuantityCommittedYearTwo
Namespace Prefix:	eog_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Oil and Gas, Delivery Commitment, Quantity Committed, Year One

No definition available.

Name:	eog_OilAndGasDeliveryCommitmentQuantityCommittedYearOne
Namespace Prefix:	eog_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

Oil and Gas, Delivery Commitment, Quantity Committed, Year Three

No definition available.

Name:	eog_OilAndGasDeliveryCommitmentQuantityCommittedYearThree
Namespace Prefix:	eog_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

Oil and Gas, Delivery Commitment, Quantity Committed, Year Two

No definition available.

Name:	eog_OilAndGasDeliveryCommitmentQuantityCommittedYearTwo
Namespace Prefix:	eog_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

Subsidiary guarantees demand for payment

No definition available.

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

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308

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

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
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 fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
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 in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

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

- References

No definition available.