Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		$ 1,354,349	$ 2,318,538
Operating Income (Loss)		(638,141)	(172,995)
Other Expense, Net		(4,437)	(9,991)
Interest Expense, Net		(68,390)	(53,345)
Loss Before Income Taxes		(710,968)	(236,331)
Total Assets		26,338,423		$ 26,970,470
United States [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		1,279,667	2,212,582
Operating Income (Loss)		(624,984)	(181,856)
Total Assets		24,872,856		25,347,134
Trinidad [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		62,795	96,562
Operating Income (Loss)		8,880	46,980
Total Assets		887,742		886,826
Other International [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues	[1]	11,887	9,394
Operating Income (Loss)	[1]	(22,037)	$ (38,119)
Total Assets	[1]	$ 577,825		$ 736,510

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