Divestitures (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Discontinued Operations and Disposal Groups [Abstract]
Proceeds from Sales of Producing Properties, Acreage and Other Assets	$ 75
Proceeds from interest in the undeveloped net acres in Horn River Basin in Canada		$ 580

Estimated proceeds from the sale of producing properties and acreage.

No definition available.

Name:	eog_Estimatedproceedsfromsalesofproducingpropertiesandacreage
Namespace Prefix:	eog_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration