Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Net Operating Revenues
Crude Oil and Condensate		$ 4,317,341		$ 4,934,562		$ 9,742,480
Natural Gas Liquids		437,250		407,658		934,051
Natural Gas		742,152		1,061,038		1,916,386
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts		(99,608)		61,924		834,273
Gathering, Processing and Marketing		1,966,259		2,253,135		4,046,316
Gains (Losses) on Asset Dispositions, Net		205,835		(8,798)		507,590
Other, Net		81,403		47,909		54,244
Total		7,650,632	[1]	8,757,428	[2]	18,035,340	[3]
Operating Expenses
Lease and Well		927,452		1,182,282		1,416,413
Transportation Costs		764,106		849,319		972,176
Gathering and Processing Costs		122,901		146,156		145,800
Exploration Costs		124,953		149,494		184,388
Dry Hole Costs	[4]	10,657		14,746		48,490
Impairments		620,267		6,613,546		743,575
Marketing Costs		2,007,635		2,385,982		4,126,060
Depreciation, Depletion and Amortization		3,553,417		3,313,644		3,997,041
General and Administrative		394,815		366,594		402,010
Taxes Other Than Income		349,710		421,744		757,564
Total		8,875,913		15,443,507		12,793,517
Operating Income (Loss)		(1,225,281)		(6,686,079)		5,241,823
Other (Expense) Income, Net		(50,543)		1,916		(45,050)
Income (Loss) Before Interest Expense and Income Taxes		(1,275,824)		(6,684,163)		5,196,773
Interest Expense
Incurred		313,341		279,234		258,628
Capitalized		(31,660)		(41,841)		(57,170)
Net Interest Expense		281,681		237,393		201,458
Income (Loss) Before Income Taxes		(1,557,505)		(6,921,556)		4,995,315
Income Tax (Benefit) Provision		(460,819)		(2,397,041)		2,079,828
Net Income (Loss)		$ (1,096,686)		$ (4,524,515)		$ 2,915,487
Net Income (Loss) Per Share
Basic (in dollars per share)		$ (1.98)		$ (8.29)		$ 5.36
Diluted (in dollars per share)		(1.98)		(8.29)		5.32
Dividends Declared per Common Share		$ 0.670		$ 0.670		$ 0.585
Average Number of Common Shares [Abstract]
Basic (in shares)		553,384		545,697		543,443
Diluted (in shares)		553,384		545,697		548,539
Statement Of Comprehensive Income [Abstract]
Net Income (Loss)		$ (1,096,686)		$ (4,524,515)		$ 2,915,487
Other Comprehensive Income (Loss)
Foreign Currency Translation Adjustments		12,097		(11,517)		(437,728)
Other, Net of Tax		2,231		1,235		(1,162)
Other Comprehensive Income (Loss)		14,328		(10,282)		(438,890)
Comprehensive Income (Loss)		$ (1,082,358)		$ (4,534,797)		$ 2,476,597

[1] EOG had sales activity with three significant purchasers in 2016, one totaling $1.2 billion, one totaling $1.1 billion and one totaling $1.0 billion of consolidated Net Operating Revenues in the United States segment.

[2] 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.

[3] 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.

[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, 2016.