Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		$ 2,118,504	$ 2,172,428	$ 5,248,593	$ 6,960,667
Other (Expense) Income, Net		(7,912)	8,607	(33,345)	7,996
Interest Expense, Net		(70,858)	(60,571)	(210,356)	(174,400)
Loss Before Income Taxes		(272,250)	(6,274,921)	(1,363,495)	(6,522,730)
Total Assets		25,554,921		25,554,921		$ 26,970,470
Operating (Loss) Income		(193,480)	(6,222,957)	(1,119,794)	(6,356,326)
United States [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		2,023,130	2,040,881	5,007,119	6,622,781
Total Assets		23,949,843		23,949,843		25,347,134
Operating (Loss) Income		(193,453)	(6,110,284)	(1,099,030)	(6,271,908)
Trinidad [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		57,937	98,493	183,461	290,758
Total Assets		873,069		873,069		886,826
Operating (Loss) Income		15,688	46,230	41,620	139,116
Other International [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues	[1]	37,437	33,054	58,013	47,128
Total Assets	[1]	732,009		732,009		$ 736,510
Operating (Loss) Income	[1]	$ (15,715)	$ (158,903)	$ (62,384)	$ (223,534)

[1] Other International primarily includes EOG's United Kingdom, China and Canada operations.