v3.6.0.2

Oil and Gas Exploration and Production Industries Disclosures (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) MBoe MMcf MBbls | Dec. 31, 2015 USD ($) MBoe MMcf MBbls | Dec. 31, 2014 MBoe MMcf MBbls | Dec. 31, 2013 MBoe MMcf MBbls
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves (MBOE) | MBoe |  | 1,093,906 | 1,072,477 | 1,347,947 | 1,127,476
Net Proved Undeveloped Reserves (MBOE) [Rollforward] |  |  |  |  |
Balance at January 1 | MBoe |  | 1,045,640 | 1,149,309 | 991,067 |
Extensions and Discoveries | MBoe |  | 138,101 | 205,152 | 403,713 |
Revisions | MBoe |  | 64,413 | (241,973) | (79,630) |
Acquisition of Reserves | MBoe |  | 0 | 54,458 | 4,239 |
Sales of Reserves | MBoe |  | (45,917) | 0 | (10,176) |
Conversion to Proved Developed Reserves | MBoe |  | (149,210) | (121,306) | (159,904) |
Balance at December 31 | MBoe |  | 1,053,027 | 1,045,640 | 1,149,309 |
Capitalized Costs, Oil and Gas Producing Activities, Gross [Abstract] |  |  |  |  |
Proved properties | $ |  | $ 45,751,965 | $ 49,623,518 |  |
Unproved properties | $ |  | 3,840,126 | 989,723 |  |
Total | $ |  | 49,592,091 | 50,613,241 |  |
Accumulated depreciation, depletion and amortization | $ |  | (26,247,062) | (28,877,593) |  |
Net capitalized costs | $ |  | $ 23,345,029 | $ 21,735,648 |  |
Crude Oil (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 516,625 | 445,202 | 495,148 | 391,056
Net proved undeveloped reserves |  | 660,960 | 652,394 | 644,602 | 509,484
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 1,097,596 | 1,139,750 | 900,540 |
Revisions of previous estimates | [1] | 42,955 | (114,925) | 28,022 |
Purchases in place | [1] | 25,795 | 35,922 | 9,705 |
Extensions, discoveries and other additions | [1] | 123,441 | 141,386 | 319,554 |
Sales in place | [1] | (8,791) | (740) | (12,623) |
Production | [1] | (103,411) | (103,797) | (105,448) |
Net proved reserves - end of period | [1] | 1,177,585 | 1,097,596 | 1,139,750 |
Natural Gas Liquids (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 230,219 | 205,898 | 264,749 | 200,860
Net proved undeveloped reserves |  | 186,147 | 176,977 | 202,319 | 176,346
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 382,875 | 467,068 | 377,206 |
Revisions of previous estimates | [1] | 53,771 | (113,222) | 27,443 |
Purchases in place | [1] | 1,284 | 8,251 | 1,812 |
Extensions, discoveries and other additions | [1] | 41,862 | 49,147 | 91,683 |
Sales in place | [1] | (33,548) | (271) | (1,779) |
Production | [1] | (29,878) | (28,098) | (29,297) |
Net proved reserves - end of period | [1] | 416,366 | 382,875 | 467,068 |
Natural Gas (MMcf) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | MMcf |  | 2,082,400 | 2,528,300 | 3,528,300 | 3,213,400
Net proved undeveloped reserves | MMcf |  | 1,235,500 | 1,297,600 | 1,814,300 | 1,831,400
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | MMcf | [2] | 3,825,900 | 5,342,600 | 5,044,800 |
Revisions of previous estimates | MMcf | [2] | 333,100 | (1,430,700) | 270,600 |
Purchases in place | MMcf | [2] | 91,500 | 72,300 | 17,100 |
Extensions, discoveries and other additions | MMcf | [2] | 262,000 | 332,400 | 647,500 |
Sales in place | MMcf | [2] | (752,000) | (15,000) | (131,100) |
Production | MMcf | [2] | (442,600) | (475,700) | (506,300) |
Net proved reserves - end of period | MMcf | [2] | 3,317,900 | 3,825,900 | 5,342,600 |
Oil Equivalents (MBoe) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved undeveloped reserve (MBOE) | MBoe |  | 1,053,027 | 1,045,640 | 1,149,309 | 991,067
Proved Developed Reserves (MBoe) [Roll Forward] |  |  |  |  |
Net proved reserves - beginning of period | MBoe | [1] | 2,118,117 | 2,497,256 | 2,118,543 |
Revisions of previous estimates | MBoe | [1] | 152,242 | (466,604) | 100,568 |
Purchases in place | MBoe | [1] | 42,330 | 56,215 | 14,367 |
Extensions, discoveries and other additions | MBoe | [1] | 208,963 | 245,931 | 519,167 |
Sales in place | MBoe | [1] | (167,669) | (3,506) | (36,263) |
Production | MBoe | [1] | (207,050) | (211,175) | (219,126) |
Net proved reserves - end of period | MBoe | [1] | 2,146,933 | 2,118,117 | 2,497,256 |
United States |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves (MBOE) | MBoe |  | 1,038,483 | 1,018,491 | 1,275,447 | 1,015,359
United States | Crude Oil (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 507,531 | 444,070 | 493,694 | 382,517
Net proved undeveloped reserves |  | 660,960 | 643,790 | 635,988 | 497,532
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 1,087,860 | 1,129,682 | 880,049 |
Revisions of previous estimates | [1] | 42,040 | (114,924) | 28,301 |
Purchases in place | [1] | 25,795 | 35,922 | 9,705 |
Extensions, discoveries and other additions | [1] | 123,441 | 141,310 | 319,540 |
Sales in place | [1] | (8,791) | (730) | (4,967) |
Production | [1] | (101,854) | (103,400) | (102,946) |
Net proved reserves - end of period | [1] | 1,168,491 | 1,087,860 | 1,129,682 |
United States | Natural Gas Liquids (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 230,219 | 205,898 | 264,611 | 199,964
Net proved undeveloped reserves |  | 186,147 | 176,977 | 202,319 | 176,038
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 382,875 | 466,930 | 376,002 |
Revisions of previous estimates | [1] | 53,771 | (113,290) | 27,450 |
Purchases in place | [1] | 1,284 | 8,251 | 1,812 |
Extensions, discoveries and other additions | [1] | 41,862 | 49,147 | 91,683 |
Sales in place | [1] | (33,548) | (84) | (956) |
Production | [1] | (29,878) | (28,079) | (29,061) |
Net proved reserves - end of period | [1] | 416,366 | 382,875 | 466,930 |
United States | Natural Gas (MMcf) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | MMcf |  | 1,804,400 | 2,211,200 | 3,102,800 | 2,597,300
Net proved undeveloped reserves | MMcf |  | 1,216,800 | 1,278,600 | 1,802,700 | 1,801,400
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | MMcf | [2] | 3,489,800 | 4,905,500 | 4,398,700 |
Revisions of previous estimates | MMcf | [2] | 298,400 | (1,453,100) | 252,200 |
Purchases in place | MMcf | [2] | 91,500 | 72,300 | 17,100 |
Extensions, discoveries and other additions | MMcf | [2] | 202,100 | 306,300 | 638,300 |
Sales in place | MMcf | [2] | (752,000) | (3,900) | (52,400) |
Production | MMcf | [2] | (308,600) | (337,300) | (348,400) |
Net proved reserves - end of period | MMcf | [2] | 3,021,200 | 3,489,800 | 4,905,500 |
United States | Oil Equivalents (MBoe) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved undeveloped reserve (MBOE) | MBoe |  | 1,049,909 | 1,033,870 | 1,138,755 | 973,807
Proved Developed Reserves (MBoe) [Roll Forward] |  |  |  |  |
Net proved reserves - beginning of period | MBoe | [1] | 2,052,361 | 2,414,202 | 1,989,166 |
Revisions of previous estimates | MBoe | [1] | 145,542 | (470,401) | 97,782 |
Purchases in place | MBoe | [1] | 42,330 | 56,215 | 14,367 |
Extensions, discoveries and other additions | MBoe | [1] | 198,973 | 241,513 | 517,613 |
Sales in place | MBoe | [1] | (167,669) | (1,467) | (14,661) |
Production | MBoe | [1] | (183,145) | (187,701) | (190,065) |
Net proved reserves - end of period | MBoe | [1] | 2,088,392 | 2,052,361 | 2,414,202 |
Trinidad |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves (MBOE) | MBoe |  | 44,543 | 50,677 | 67,484 | 83,933
Trinidad | Crude Oil (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 839 | 1,069 | 1,339 | 1,505
Net proved undeveloped reserves |  | 0 | 0 | 0 | 85
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 1,069 | 1,339 | 1,590 |
Revisions of previous estimates | [1] | 54 | (1) | 99 |
Purchases in place | [1] | 0 | 0 | 0 |
Extensions, discoveries and other additions | [1] | 0 | 63 | 0 |
Sales in place | [1] | 0 | 0 | 0 |
Production | [1] | (284) | (332) | (350) |
Net proved reserves - end of period | [1] | 839 | 1,069 | 1,339 |
Trinidad | Natural Gas Liquids (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves |  | 0 | 0 | 0 | 0
Net proved undeveloped reserves |  | 0 | 0 | 0 | 0
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1] | 0 | 0 | 0 |
Revisions of previous estimates | [1] | 0 | 0 | 0 |
Purchases in place | [1] | 0 | 0 | 0 |
Extensions, discoveries and other additions | [1] | 0 | 0 | 0 |
Sales in place | [1] | 0 | 0 | 0 |
Production | [1] | 0 | 0 | 0 |
Net proved reserves - end of period | [1] | 0 | 0 | 0 |
Trinidad | Natural Gas (MMcf) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | MMcf |  | 262,200 | 297,600 | 396,900 | 494,600
Net proved undeveloped reserves | MMcf |  | 18,700 | 19,000 | 8,700 | 26,100
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | MMcf | [2] | 316,600 | 405,600 | 520,700 |
Revisions of previous estimates | MMcf | [2] | 29,500 | 16,800 | 12,900 |
Purchases in place | MMcf | [2] | 0 | 0 | 0 |
Extensions, discoveries and other additions | MMcf | [2] | 59,900 | 21,700 | 4,500 |
Sales in place | MMcf | [2] | 0 | 0 | 0 |
Production | MMcf | [2] | (125,100) | (127,500) | (132,500) |
Net proved reserves - end of period | MMcf | [2] | 280,900 | 316,600 | 405,600 |
Trinidad | Oil Equivalents (MBoe) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved undeveloped reserve (MBOE) | MBoe |  | 3,118 | 3,166 | 1,453 | 4,431
Proved Developed Reserves (MBoe) [Roll Forward] |  |  |  |  |
Net proved reserves - beginning of period | MBoe | [1] | 53,843 | 68,937 | 88,364 |
Revisions of previous estimates | MBoe | [1] | 4,978 | 2,802 | 2,245 |
Purchases in place | MBoe | [1] | 0 | 0 | 0 |
Extensions, discoveries and other additions | MBoe | [1] | 9,990 | 3,682 | 758 |
Sales in place | MBoe | [1] | 0 | 0 | 0 |
Production | MBoe | [1] | (21,150) | (21,578) | (22,430) |
Net proved reserves - end of period | MBoe | [1] | 47,661 | 53,843 | 68,937 |
Other International |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves (MBOE) | MBoe | [3] | 10,880 | 3,309 | 5,016 | 28,184
Other International | Crude Oil (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | [3] | 8,255 | 63 | 115 | 7,034
Net proved undeveloped reserves | [3] | 0 | 8,604 | 8,614 | 11,867
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1],[3] | 8,667 | 8,729 | 18,901 |
Revisions of previous estimates | [1],[3] | 861 | 0 | (378) |
Purchases in place | [1],[3] | 0 | 0 | 0 |
Extensions, discoveries and other additions | [1],[3] | 0 | 13 | 14 |
Sales in place | [1],[3] | 0 | (10) | (7,656) |
Production | [1],[3] | (1,273) | (65) | (2,152) |
Net proved reserves - end of period | [1],[3] | 8,255 | 8,667 | 8,729 |
Other International | Natural Gas Liquids (MBbl) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | [3] | 0 | 0 | 138 | 896
Net proved undeveloped reserves | [3] | 0 | 0 | 0 | 308
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | [1],[3] | 0 | 138 | 1,204 |
Revisions of previous estimates | [1],[3] | 0 | 68 | (7) |
Purchases in place | [1],[3] | 0 | 0 | 0 |
Extensions, discoveries and other additions | [1],[3] | 0 | 0 | 0 |
Sales in place | [1],[3] | 0 | (187) | (823) |
Production | [1],[3] | 0 | (19) | (236) |
Net proved reserves - end of period | [1],[3] | 0 | 0 | 138 |
Other International | Natural Gas (MMcf) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved developed reserves | MMcf | [3] | 15,800 | 19,500 | 28,600 | 121,500
Net proved undeveloped reserves | MMcf | [3] | 0 | 0 | 2,900 | 3,900
Proved Developed Reserves [Rollforward] |  |  |  |  |
Net proved reserves - beginning of period | MMcf | [2],[3] | 19,500 | 31,500 | 125,400 |
Revisions of previous estimates | MMcf | [2],[3] | 5,200 | 5,600 | 5,500 |
Purchases in place | MMcf | [2],[3] | 0 | 0 | 0 |
Extensions, discoveries and other additions | MMcf | [2],[3] | 0 | 4,400 | 4,700 |
Sales in place | MMcf | [2],[3] | 0 | (11,100) | (78,700) |
Production | MMcf | [2],[3] | (8,900) | (10,900) | (25,400) |
Net proved reserves - end of period | MMcf | [2],[3] | 15,800 | 19,500 | 31,500 |
Other International | Oil Equivalents (MBoe) |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |
Net proved undeveloped reserve (MBOE) | MBoe | [3] | 0 | 8,604 | 9,101 | 12,829
Proved Developed Reserves (MBoe) [Roll Forward] |  |  |  |  |
Net proved reserves - beginning of period | MBoe | [1],[3] | 11,913 | 14,117 | 41,013 |
Revisions of previous estimates | MBoe | [1],[3] | 1,722 | 995 | 541 |
Purchases in place | MBoe | [1],[3] | 0 | 0 | 0 |
Extensions, discoveries and other additions | MBoe | [1],[3] | 0 | 736 | 796 |
Sales in place | MBoe | [1],[3] | 0 | (2,039) | (21,602) |
Production | MBoe | [1],[3] | (2,755) | (1,896) | (6,631) |
Net proved reserves - end of period | MBoe | [1],[3] | 10,880 | 11,913 | 14,117 |
[1] | Thousand barrels or thousand barrels of oil equivalent, as applicable; oil equivalents include crude oil and condensate, NGLs and natural gas. Oil equivalents are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet of natural gas.
[2] | Billion cubic feet.
[3] | Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.

X
- Definition Acquisition of Reserves (MBOE) + References No definition available. + Details
Name: | eog_AcquisitionofReservesMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extensions, discoveries and other additions (stated in MBOE) + References No definition available. + Details
Name: | eog_ExtensionsdiscoveriesandotheradditionsstatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | eog_IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesBoeAbstract
Namespace Prefix: | eog_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Production (stated in MBOE) + References No definition available. + Details
Name: | eog_ProductionstatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Developed Reserves (MBoe) [Roll Forward] + References No definition available. + Details
Name: | eog_ProvedDevelopedReservesMBoeRollForward
Namespace Prefix: | eog_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net quantity of proved reserves as of the balance sheet date. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable. + References No definition available. + Details
Name: | eog_ProvedDevelopedReservesstatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proved Undeveloped Conversion to Proved Developed Reserves (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedConversiontoProvedDevelopedReserves
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Undeveloped Extensions and Discoveries (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedExtensionsandDiscoveries
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Undeveloped Reserves Beginning Balance (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedReservesBeginningBalance
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proved Undeveloped Reserves Ending Balance (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedReservesEndingBalance
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proved Undeveloped Reserves Revisions (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedReservesRevisions
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Undeveloped Reserves Sales of Reserves (MBOE) + References No definition available. + Details
Name: | eog_ProvedUndevelopedReservesSalesofReserves
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchases in place (stated in MBOE) + References No definition available. + Details
Name: | eog_PurchasesinplacestatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revisions of previous estimates (stated in MBOE) + References No definition available. + Details
Name: | eog_RevisionsofpreviousestimatesstatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sales in place (stated in MBOE) + References No definition available. + Details
Name: | eog_SalesinplacestatedinMBOE
Namespace Prefix: | eog_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGrossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net amount of capitalized costs relating to oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Properties -URI http://asc.fasb.org/extlink&oid=21914647 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Glossary Proved Properties -URI http://asc.fasb.org/extlink&oid=6522428 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsProvedProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Properties -URI http://asc.fasb.org/extlink&oid=21914647 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -Glossary Unproved Properties -URI http://asc.fasb.org/extlink&oid=6527831 + Details
Name: | us-gaap_CapitalizedCostsUnprovedProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net quantity of proved reserves as of the balance sheet date. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(a)(2)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesNet
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Production of proved reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesProduction
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchase of minerals in place. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sales of minerals in place. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Energy measure of interests in proved developed reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas. + References No definition available. + Details
Name: | us-gaap_ProvedDevelopedReservesBOE1
Namespace Prefix: | us-gaap_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61884-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61797-109447 + Details
Name: | us-gaap_ProvedDevelopedReservesVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Energy measure of proved undeveloped reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas. + References No definition available. + Details
Name: | us-gaap_ProvedUndevelopedReserveBOE1
Namespace Prefix: | us-gaap_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61884-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61797-109447 + Details
Name: | us-gaap_ProvedUndevelopedReserveVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ReserveQuantitiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_OilReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_NaturalGasLiquidsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReserveQuantitiesByTypeOfReserveAxis=eog_OilEquivalentsMBoeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_TT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=eog_OtherInternationalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |