Divestitures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Divestitures [Abstract]
Proceeds from Sales of Producing Properties, Acreage and Other Assets	$ 20	$ 480

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:	na
Period Type:	duration