v3.6.0.2
Business Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Schedule of Segment Reporting Information By Segment [Abstract]                      
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
Net Operating Revenues $ 2,402,039 $ 2,118,504 $ 1,775,740 $ 1,354,349 $ 1,796,761 $ 2,172,428 $ 2,469,701 $ 2,318,538 7,650,632 [1] 8,757,428 [2] 18,035,340 [3]
Depreciation, Depletion and Amortization                 3,553,417 3,313,644 3,997,041
Operating Income (Loss) (105,487) (193,480) (288,173) (638,141) (329,753) (6,222,957) 39,626 (172,995) (1,225,281) (6,686,079) 5,241,823
Interest Income                 2,619 3,469 2,239
Other Income (Expense)                 (53,162) (1,553) (47,289)
Net Interest Expense                 281,681 237,393 201,458
Income (Loss) Before Income Taxes (194,010) (272,250) (380,277) (710,968) (398,826) (6,274,921) (11,478) (236,331) (1,557,505) (6,921,556) 4,995,315
Income Tax Provision (Benefit) (51,658) $ (82,250) $ (87,719) $ (239,192) (114,530) $ (2,199,182) $ (16,746) $ (66,583) (460,819) (2,397,041) 2,079,828
Additions to Oil and Gas Properties, Excluding Dry Hole Costs                 6,329,369 4,710,404 7,471,177
Total Property, Plant and Equipment, Net 25,707,078       24,210,721       25,707,078 24,210,721 29,172,644
Total Assets 29,459,433       26,970,470       29,459,433 26,970,470 34,758,599
United States                      
Schedule of Segment Reporting Information By Segment [Abstract]                      
Crude Oil and Condensate                 4,265,036 4,917,731 9,526,149
Natural Gas Liquids                 437,238 407,570 924,454
Natural Gas                 475,715 637,452 1,321,175
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts                 (99,608) 61,924 834,273
Gathering, Processing and Marketing                 1,967,390 2,254,477 4,040,024
Gains (Losses) on Asset Dispositions, Net                 196,043 (12,176) 96,339
Other, Net                 81,386 47,464 49,950
Net Operating Revenues                 7,323,200 [1] 8,314,442 [2] 16,792,364 [3]
Depreciation, Depletion and Amortization                 3,365,390 3,139,863 3,684,943
Operating Income (Loss)                 (1,192,338) (6,566,282) 5,074,911
Interest Income                 358 1,913 849
Other Income (Expense)                 (15,703) 6,461 (14,953)
Net Interest Expense                 298,125 274,606 269,166
Income (Loss) Before Income Taxes                 (1,505,808) (6,832,514) 4,791,641
Income Tax Provision (Benefit)                 (516,180) (2,463,213) 1,837,185
Additions to Oil and Gas Properties, Excluding Dry Hole Costs                 6,223,228 4,495,730 7,133,727
Total Property, Plant and Equipment, Net 25,221,517       23,593,995       25,221,517 23,593,995 28,391,741
Total Assets 27,907,083       25,347,134       27,907,083 25,347,134 32,867,310
Trinidad                      
Schedule of Segment Reporting Information By Segment [Abstract]                      
Crude Oil and Condensate                 9,600 13,122 29,604
Natural Gas Liquids                 0 0 0
Natural Gas                 234,108 368,639 483,071
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts                 0 0 0
Gathering, Processing and Marketing                 (1,131) (1,342) 6,064
Gains (Losses) on Asset Dispositions, Net                 (145) 393 0
Other, Net                 (8) (3) 37
Net Operating Revenues                 242,424 [1] 380,809 [2] 518,776 [3]
Depreciation, Depletion and Amortization                 145,591 154,853 188,592
Operating Income (Loss)                 46,473 175,658 277,471
Interest Income                 932 389 253
Other Income (Expense)                 2,667 8,780 8,712
Net Interest Expense                 0 1,400 0
Income (Loss) Before Income Taxes                 50,072 183,427 286,436
Income Tax Provision (Benefit)                 64,281 63,502 98,559
Additions to Oil and Gas Properties, Excluding Dry Hole Costs                 75,407 102,358 76,138
Total Property, Plant and Equipment, Net 274,850       350,766       274,850 350,766 382,719
Total Assets 889,253       886,826       889,253 886,826 865,674
Other International                      
Schedule of Segment Reporting Information By Segment [Abstract]                      
Crude Oil and Condensate [4]                 42,705 3,709 186,727
Natural Gas Liquids [4]                 12 88 9,597
Natural Gas [4]                 32,329 54,947 112,140
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts [4]                 0 0 0
Gathering, Processing and Marketing [4]                 0 0 228
Gains (Losses) on Asset Dispositions, Net [4]                 9,937 2,985 411,251
Other, Net [4]                 25 448 4,257
Net Operating Revenues [4]                 85,008 [1] 62,177 [2] 724,200 [3]
Depreciation, Depletion and Amortization [4]                 42,436 18,928 123,506
Operating Income (Loss) [4]                 (79,416) (295,455) (110,559)
Interest Income [4]                 1,329 1,167 1,137
Other Income (Expense) [4]                 (40,126) (16,794) (41,048)
Net Interest Expense [4]                 (16,444) (38,613) (67,708)
Income (Loss) Before Income Taxes [4]                 (101,769) (272,469) (82,762)
Income Tax Provision (Benefit) [4]                 (8,920) 2,670 144,084
Additions to Oil and Gas Properties, Excluding Dry Hole Costs [4]                 30,734 112,316 261,312
Total Property, Plant and Equipment, Net [4] 210,711       265,960       210,711 265,960 398,184
Total Assets [4] $ 663,097       $ 736,510       $ 663,097 $ 736,510 $ 1,025,615
[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] 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.