Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net Operating Revenues
Crude Oil and Condensate	$ 8,300,647		$ 5,659,437		$ 3,838,284
Natural Gas Liquids	773,970		727,177		779,364
Natural Gas	1,681,029		1,571,762		2,240,540
(Losses) Gains on Mark-to-Market Commodity Derivative Contracts	(166,349)		393,744		626,053
Gathering, Processing and Marketing	3,643,749		3,096,694		2,115,792
Gains on Asset Dispositions, Net	197,565		192,660		492,909
Other, Net	56,507		41,162		33,173
Total	14,487,118	[1]	11,682,636	[2]	10,126,115	[3]
Operating Expenses
Lease and Well	1,105,978		1,000,052		941,954
Transportation Costs	853,044		601,431		430,322
Gathering and Processing Costs	107,871		97,945		80,727
Exploration Costs	161,346		185,569		171,658
Dry Hole Costs	74,655		14,970	[4]	53,230	[4]
Impairments	286,941		1,270,735		1,031,037
Marketing Costs	3,648,840		3,035,494		2,072,137
Depreciation, Depletion and Amortization	3,600,976		3,169,703		2,516,381
General and Administrative	348,312		331,545		304,811
Taxes Other Than Income	623,944		495,395		410,549
Total	10,811,907		10,202,839		8,012,806
Operating Income	3,675,211		1,479,797		2,113,309
Other Income, Net	(2,865)		14,495		6,853
Income Before Interest Expense and Income Taxes	3,672,346		1,494,292		2,120,162
Interest Expense
Incurred	284,599		263,254		268,104
Capitalized	(49,139)		(49,702)		(57,741)
Net Interest Expense	235,460		213,552		210,363
Income (Loss) Before Income Taxes	3,436,886		1,280,740		1,909,799
Income Tax Provision	1,239,777		710,461		818,676
Net Income (Loss)	2,197,109		570,279		1,091,123
Net Income Per Share
Basic (in dollars per share)	$ 8.13		$ 2.13		$ 4.15
Diluted (in dollars per share)	$ 8.04		$ 2.11		$ 4.10
Dividends Declared per Common Share	$ 0.75		$ 0.68		$ 0.64
Average Number of Common Shares [Abstract]
Basic (in dollars per share)	270,170		267,577		262,735
Diluted (in dollars per share)	273,114		270,762		266,268
Comprehensive Income
Net Income	2,197,109		570,279		1,091,123
Other Comprehensive Income (Loss)
Foreign Currency Translation Adjustments	(29,395)		37,739		(32,597)
Foreign Currency Swap Transaction	1,652		1,589		(1,571)
Income Tax Related to Foreign Currency Swap Transaction	1		(404)		404
Interest Rate Swap Transaction	2,737		(134)		(5,223)
Income Tax Related to Interest Rate Swap Transaction	(981)		48		1,878
Other	1,925		(689)		(1,216)
Other Comprehensive Income (Loss)	(24,061)		38,149		(38,325)
Comprehensive Income	$ 2,173,048		$ 608,428		$ 1,052,798

[1] EOG had sales activity with two significant purchasers in 2013, one totaling $3.9 billion and the other totaling $2.0 billion of consolidated Net Operating Revenues in the United States segment.

[2] EOG had sales activity with a single significant purchaser in the United States segment in 2012 that totaled $2.2 billion of consolidated Net Operating Revenues.

[3] EOG had no purchasers in 2011 whose sales totaled 10 percent or more of consolidated Net Operating Revenues.

[4] Excludes gains or losses on the mark-to-market of financial commodity derivative contracts, gains or losses on sales of reserves and related assets, interest charges and general corporate expenses for each of the three years in the period ended December 31, 2013.