Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Net Operating Revenues
Crude Oil and Condensate		$ 4,934,562		$ 9,742,480		$ 8,300,647
Natural Gas Liquids		407,658		934,051		773,970
Natural Gas		1,061,038		1,916,386		1,681,029
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts		61,924		834,273		(166,349)
Gathering, Processing and Marketing		2,253,135		4,046,316		3,643,749
Gains (Losses) on Asset Dispositions, Net		(8,798)		507,590		197,565
Other, Net		47,909		54,244		56,507
Total		8,757,428	[1]	18,035,340	[2]	14,487,118	[3]
Operating Expenses
Lease and Well		1,182,282		1,416,413		1,105,978
Transportation Costs		849,319		972,176		853,044
Gathering and Processing Costs		146,156		145,800		107,871
Exploration Costs		149,494		184,388		161,346
Dry Hole Costs	[4]	14,746		48,490		74,655
Impairments		6,613,546		743,575		286,941
Marketing Costs		2,385,982		4,126,060		3,648,840
Depreciation, Depletion and Amortization		3,313,644		3,997,041		3,600,976
General and Administrative		366,594		402,010		348,312
Taxes Other Than Income		421,744		757,564		623,944
Total		15,443,507		12,793,517		10,811,907
Operating Income (Loss)		(6,686,079)		5,241,823		3,675,211
Other Income (Expense), Net		1,916		(45,050)		(2,865)
Income (Loss) Before Interest Expense and Income Taxes		(6,684,163)		5,196,773		3,672,346
Interest Expense
Incurred		279,234		258,628		284,599
Capitalized		(41,841)		(57,170)		(49,139)
Net Interest Expense		237,393		201,458		235,460
Income (Loss) Before Income Taxes		(6,921,556)		4,995,315		3,436,886
Income Tax Provision		(2,397,041)		2,079,828		1,239,777
Net Income (Loss)		$ (4,524,515)		$ 2,915,487		$ 2,197,109
Net Income (Loss) Per Share
Basic (in dollars per share)		$ (8.29)		$ 5.36		$ 4.07
Diluted (in dollars per share)		(8.29)		5.32		4.02
Dividends Declared per Common Share		$ 0.670		$ 0.585		$ 0.375
Average Number of Common Shares [Abstract]
Basic (in shares)		545,697		543,443		540,341
Diluted (in shares)		545,697		548,539		546,227
Statement Of Comprehensive Income [Abstract]
Net Income (Loss)		$ (4,524,515)		$ 2,915,487		$ 2,197,109
Other Comprehensive Income (Loss)
Foreign Currency Translation Adjustments		(11,517)		(437,728)		(29,395)
Other		1,235		(1,162)		5,334
Other Comprehensive Income (Loss)		(10,282)		(438,890)		(24,061)
Comprehensive Income (Loss)		$ (4,534,797)		$ 2,476,597		$ 2,173,048

[1] EOG had sales activity with two significant purchasers in 2015, one totaling $1.7 billion and the other totaling $1.4 billion of consolidated Net Operating Revenues in the United States segment.

[2] EOG had sales activity with two significant purchasers in 2014, one totaling $4.0 billion and the other totaling $3.0 billion of consolidated Net Operating Revenues in the United States segment.

[3] 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.

[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, 2015.