Oil and Gas Exploration and Production Industries Disclosures, Average Sales Price (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	$ 5.88		$ 5.85		$ 6.03
United States [Member]
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	$ 5.78		$ 5.96		$ 6.19
Canada [Member]
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	$ 19.98		$ 16.42		$ 14.26
Trinidad [Member]
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	$ 1.36		$ 0.98		$ 0.78
Other International [Member]
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	$ 26.77	[1]	$ 18.97	[1]	$ 13.82	[1]

[1] Other International primarily consists of EOG's United Kingdom, China and Argentina operations.