v2.4.0.6

Divestitures (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2012
Divestitures [Abstract] |
Estimated Proceeds from Sales of Producing Properties and Acreage | $ 1,214

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