Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues and Other		$ 2,612,472	$ 1,775,740	$ 5,223,037	$ 3,130,089
Income (Loss) Before Income Taxes		62,467	(380,277)	101,849	(1,091,245)
Total Assets		29,263,617		29,263,617		$ 29,299,201
Operating (Loss) Income		127,908	(288,173)	235,654	(926,314)
Other Income (Expense), Net		4,972	(20,996)	8,123	(25,433)
Interest Expense, Net		70,413	71,108	141,928	139,498
United States [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues and Other		2,530,885	1,704,320	5,050,734	2,983,989
Total Assets		27,676,982		27,676,982		27,746,851
Operating (Loss) Income		130,314	(280,593)	249,845	(905,577)
Trinidad [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues and Other		72,299	62,731	146,222	125,524
Total Assets		947,166		947,166		889,253
Operating (Loss) Income		32,360	17,054	48,773	25,932
Other International [Member]
Schedule of Segment Reporting Information By Segment [Abstract]
Net Operating Revenues and Other	[1]	9,288	8,689	26,081	20,576
Total Assets	[1]	639,469		639,469		$ 663,097
Operating (Loss) Income	[1]	$ (34,766)	$ (24,634)	$ (62,964)	$ (46,669)

[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.