Oil and Gas Exploration and Production Industries Disclosures, Costs Incurred (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition Costs of Properties - Unproved	$ 414,121,000		$ 505,303,000		$ 300,772,000
Acquisition Costs of Properties - Proved	120,214,000		739,000		4,247,000
Subtotal	534,335,000		506,042,000		305,019,000
Exploration Costs	377,179,000		445,598,000		363,554,000
Development Costs	6,086,377,000	[1]	6,116,550,000	[2]	5,930,591,000	[3]
Total	6,997,891,000		7,068,190,000		6,599,164,000
United States [Member]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition Costs of Properties - Unproved	411,556,000		471,345,000		295,160,000
Acquisition Costs of Properties - Proved	120,220,000		739,000		4,219,000
Subtotal	531,776,000		472,084,000		299,379,000
Exploration Costs	273,788,000		333,534,000		311,369,000
Development Costs	5,573,260,000	[1]	5,657,378,000	[2]	5,410,378,000	[3]
Total	6,378,824,000		6,462,996,000		6,021,126,000
Asset Retirement Costs Included In Development	84,000,000		80,000,000		52,000,000
Canada [Member]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition Costs of Properties - Unproved	2,565,000		33,561,000		6,216,000
Acquisition Costs of Properties - Proved	(6,000)		0		28,000
Subtotal	2,559,000		33,561,000		6,244,000
Exploration Costs	19,660,000		38,530,000		31,472,000
Development Costs	149,426,000	[1]	278,995,000	[2]	302,564,000	[3]
Total	171,645,000		351,086,000		340,280,000
Asset Retirement Costs Included In Development	13,000,000		33,000,000		70,000,000
Trinidad [Member]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition Costs of Properties - Unproved	0		1,000,000		0
Acquisition Costs of Properties - Proved	0		0		0
Subtotal	0		1,000,000		0
Exploration Costs	16,060,000		19,555,000		2,549,000
Development Costs	124,231,000	[1]	32,609,000	[2]	138,905,000	[3]
Total	140,291,000		53,164,000		141,454,000
Asset Retirement Costs Included In Development	0		2,000,000		7,000,000
Other International [Member]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition Costs of Properties - Unproved	0	[4]	(603,000)	[4]	(604,000)	[4]
Acquisition Costs of Properties - Proved	0	[4]	0	[4]	0	[4]
Subtotal	0	[4]	(603,000)	[4]	(604,000)	[4]
Exploration Costs	67,671,000	[4]	53,979,000	[4]	18,164,000	[4]
Development Costs	239,460,000	[1],[4]	147,568,000	[2],[4]	78,744,000	[3],[4]
Total	307,131,000	[4]	200,944,000	[4]	96,304,000	[4]
Asset Retirement Costs Included In Development	$ 37,000,000		$ 12,000,000		$ 4,000,000

[1] Includes Asset Retirement Costs of $84 million, $13 million and $37 million for the United States, Canada and Other International, respectively. Excludes other property, plant and equipment.

[2] Includes Asset Retirement Costs of $80 million, $33 million, $2 million and $12 million for the United States, Canada, Trinidad and Other International, respectively. Excludes other property, plant and equipment.

[3] Includes Asset Retirement Costs of $52 million, $70 million, $7 million and $4 million for the United States, Canada, Trinidad and Other International, respectively. Excludes other property, plant and equipment.

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