Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		$ 2,610,565	$ 1,354,349
Other Income (Expense), Net		3,151	(4,437)
Interest Expense, Net		(71,515)	(68,390)
Income (Loss) Before Income Taxes		39,382	(710,968)
Total Assets		29,211,974		$ 29,299,201
Operating (Loss) Income		107,746	(638,141)
United States [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		2,519,849	1,279,667
Total Assets		27,622,653		27,746,851
Operating (Loss) Income		119,531	(624,984)
Trinidad [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues		73,923	62,795
Total Assets		933,546		889,253
Operating (Loss) Income		16,413	8,880
Other International [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues	[1]	16,793	11,887
Total Assets	[1]	655,775		$ 663,097
Operating (Loss) Income	[1]	$ (28,198)	$ (22,037)

[1] Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.