v2.4.0.6

Divestitures (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 acre | Mar. 31, 2012
Divestitures [Abstract] |  |
Proceeds received on sale of Canadian shallow gas assets | $ 480 |
Estimated Acreage From Sales of Producing Properties And Acreage | 28,500 |
Proceeds from Sales of Producing Properties and Acreage |  | $ 450

X
- Definition Estimated Acreage From Sales of Producing Properties And Acreage + References No definition available. + Details
Name: | eog_EstimatedAcreageFromSalesOfProducingPropertiesAndAcreage
Namespace Prefix: | eog_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated proceeds from the sale of producing properties and acreage. + References No definition available. + Details
Name: | eog_Estimatedproceedsfromsalesofproducingpropertiesandacreage
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The value of all consideration received by the Entity in the sale of Canadian shallow natural gas assets. + References No definition available. + Details
Name: | eog_ProceedsFromSaleOfCanadianShallowGasAssets
Namespace Prefix: | eog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration