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

The value of all consideration received by the Entity in the sale of Canadian shallow natural gas assets.

No definition available.

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