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Business Segment Information (Notes) | 12 Months Ended
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Dec. 31, 2021
Segment Reporting [Abstract] |
Business Segment Information | Business Segment InformationEOG's operations are all crude oil, NGLs and natural gas exploration and production-related. The Segment Reporting Topic of the ASC establishes standards for reporting information about operating segments in annual financial statements. Operating segments are defined as components of an enterprise about which separate financial information is available and evaluated regularly by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance. EOG's chief operating decision-making process is informal and involves the Chief Executive Officer and other key officers. This group routinely reviews and makes operating decisions related to significant issues associated with each of EOG's major producing areas (including in the United States and in Trinidad) and its exploration programs both inside and outside the United States. For segment reporting purposes, the chief operating decision makers consider the major United States producing areas to be one operating segment. Financial information by reportable segment is presented below as of and for the years ended December 31, 2021, 2020 and 2019 (in millions):
| United States |  | Trinidad |  | Other International (1) |  | Total
2021 |  |  |  |  |  |  |
Crude Oil and Condensate | $ | 11,094 |  |  | $ | 31 |  |  | $ | — |  |  | $ | 11,125 |
Natural Gas Liquids | 1,812 |  |  | — |  |  | — |  |  | 1,812 |
Natural Gas | 2,156 |  |  | 270 |  |  | 18 |  |  | 2,444 |
Losses on Mark-to-Market Commodity Derivative Contracts | (1,152) |  |  | — |  |  | — |  |  | (1,152) |
Gathering, Processing and Marketing | 4,287 |  |  | 1 |  |  | — |  |  | 4,288 |
Gains (Losses) on Asset Dispositions, Net | (40) |  |  | (2) |  |  | 59 |  |  | 17 |
Other, Net | 108 |  |  | — |  |  | — |  |  | 108 |
Operating Revenues and Other (2) | 18,265 |  |  | 300 |  |  | 77 |  |  | 18,642 |
Depreciation, Depletion and Amortization | 3,558 |  |  | 87 |  |  | 6 |  |  | 3,651 |
Operating Income (Loss) (3) | 6,013 |  |  | 151 |  |  | (62) |  |  | 6,102 |
Interest Income | 3 |  |  | — |  |  | — |  |  | 3 |
Other Income (Expense) | (14) |  |  | 8 |  |  | 12 |  |  | 6 |
Net Interest Expense | 178 |  |  | — |  |  | — |  |  | 178 |
Income (Loss) Before Income Taxes | 5,824 |  |  | 159 |  |  | (50) |  |  | 5,933 |
Income Tax Provision (Benefit) | 1,247 |  |  | 66 |  |  | (44) |  |  | 1,269 |
Additions to Oil and Gas Properties, Excluding Dry Hole Costs | 3,557 |  |  | 55 |  |  | 5 |  |  | 3,617 |
Total Property, Plant and Equipment, Net | 28,213 |  |  | 204 |  |  | 9 |  |  | 28,426 |
Total Assets | 37,436 |  |  | 637 |  |  | 163 |  |  | 38,236 |
2020 |  |  |  |  |  |  |
Crude Oil and Condensate | $ | 5,774 |  |  | $ | 11 |  |  | $ | 1 |  |  | $ | 5,786 |
Natural Gas Liquids | 668 |  |  | — |  |  | — |  |  | 668 |
Natural Gas | 614 |  |  | 169 |  |  | 54 |  |  | 837 |
Gains on Mark-to-Market Commodity Derivative Contracts | 1,145 |  |  | — |  |  | — |  |  | 1,145 |
Gathering, Processing and Marketing | 2,581 |  |  | 2 |  |  | — |  |  | 2,583 |
Losses on Asset Dispositions, Net | (47) |  |  | — |  |  | — |  |  | (47) |
Other, Net | 60 |  |  | — |  |  | — |  |  | 60 |
Operating Revenues and Other (4) | 10,795 |  |  | 182 |  |  | 55 |  |  | 11,032 |
Depreciation, Depletion and Amortization | 3,324 |  |  | 60 |  |  | 16 |  |  | 3,400 |
Operating Income (Loss) (5) | (546) |  |  | 75 |  |  | (73) |  |  | (544) |
Interest Income | 11 |  |  | 1 |  |  | — |  |  | 12 |
Other Expense | — |  |  | (2) |  |  | — |  |  | (2) |
Net Interest Expense | 205 |  |  | — |  |  | — |  |  | 205 |
Income (Loss) Before Income Taxes | (740) |  |  | 74 |  |  | (73) |  |  | (739) |
Income Tax Provision (Benefit) | (157) |  |  | 15 |  |  | 8 |  |  | (134) |
Additions to Oil and Gas Properties, Excluding Dry Hole Costs | 3,318 |  |  | 83 |  |  | 42 |  |  | 3,443 |
Total Property, Plant and Equipment, Net | 28,284 |  |  | 210 |  |  | 105 |  |  | 28,599 |
Total Assets | 35,048 |  |  | 546 |  |  | 211 |  |  | 35,805 |
| United States |  | Trinidad |  | Other International (1) |  | Total
2019 |  |  |  |  |  |  |
Crude Oil and Condensate | $ | 9,599 |  |  | $ | 11 |  |  | $ | 3 |  |  | $ | 9,613 |
Natural Gas Liquids | 785 |  |  | — |  |  | — |  |  | 785 |
Natural Gas | 867 |  |  | 259 |  |  | 58 |  |  | 1,184 |
Gains on Mark-to-Market Commodity Derivative Contracts | 180 |  |  | — |  |  | — |  |  | 180 |
Gathering, Processing and Marketing | 5,355 |  |  | 5 |  |  | — |  |  | 5,360 |
Gains (Losses) on Asset Dispositions, Net | 132 |  |  | (4) |  |  | (4) |  |  | 124 |
Other, Net | 134 |  |  | — |  |  | — |  |  | 134 |
Operating Revenues and Other (6) | 17,052 |  |  | 271 |  |  | 57 |  |  | 17,380 |
Depreciation, Depletion and Amortization | 3,652 |  |  | 80 |  |  | 18 |  |  | 3,750 |
Operating Income (Loss) | 3,619 |  |  | 113 |  |  | (33) |  |  | 3,699 |
Interest Income | 22 |  |  | 4 |  |  | — |  |  | 26 |
Other Income | 3 |  |  | 1 |  |  | 1 |  |  | 5 |
Net Interest Expense (Income) | 192 |  |  | — |  |  | (7) |  |  | 185 |
Income (Loss) Before Income Taxes | 3,452 |  |  | 118 |  |  | (25) |  |  | 3,545 |
Income Tax Provision | 761 |  |  | 41 |  |  | 8 |  |  | 810 |
Additions to Oil and Gas Properties, Excluding Dry Hole Costs | 6,209 |  |  | 53 |  |  | 12 |  |  | 6,274 |
Total Property, Plant and Equipment, Net | 30,102 |  |  | 184 |  |  | 78 |  |  | 30,364 |
Total Assets | 36,275 |  |  | 706 |  |  | 144 |  |  | 37,125 |
(1)Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began exploration programs in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The decision was reached in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman. (2)EOG had sales activity with two significant purchasers in 2021, one totaling $2.7 billion and the other totaling $2.6 billion of consolidated Operating Revenues and Other in the United States segment. (3)EOG recorded pretax impairment charges of $45 million and dry hole costs of $42 million in 2021 in the Other International segment related to its decision in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman. In addition, EOG recorded net gains of asset dispositions of $58 million in 2021 in the Other International segment during the second quarter of 2021 due to the sale of its China operations. See Notes 14 and 17, respectively. (4)EOG had sales activity with three significant purchasers in 2020, each totaling $1.1 billion of consolidated Operating Revenues and Other in the United States segment. (5)EOG recorded pretax impairment charges of $1,570 million in 2020 for proved oil and gas properties, leasehold costs and other assets due to the decline in commodity prices and revisions of asset retirement obligations for certain properties in the United States segment. In addition, EOG recorded pretax impairment charges of $228 million in 2020 for owned and leased sand and crude-by-rail assets, also in the United States segment. EOG recorded pretax impairment charges of $81 million in 2020 for proved oil and gas properties and firm commitment contracts related to its decision to exit the Horn River Basin in British Columbia, Canada, in the Other International segment. See Notes 13 and 14. (6)EOG had sales activity with two significant purchasers in 2019, one totaling $2.4 billion and the other totaling $2.2 billion of consolidated Operating Revenues and Other in the United States segment.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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