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Oil and Gas Exploration and Production Industries Disclosures, Results Of Operations (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | [1] | $ 15,381 |  | $ 7,291 |  | $ 11,582
Other | [1] | 108 |  | 60 |  | 134
Total | [1] | 15,489 |  | 7,351 |  | 11,716
Exploration Costs | [1] | 154 |  | 146 |  | 140
Dry Hole Costs | [1] | 71 |  | 13 |  | 28
Transportation Costs | [1] | 863 |  | 735 |  | 758
Gathering and Processing Costs |  | 559 | [1] | 459 | [1] | 479
Production Costs | [1] | 2,155 |  | 1,517 |  | 2,134
Impairments | [1] | 376 |  | 2,100 |  | 518
Depreciation, Depletion and Amortization | [1] | 3,504 |  | 3,268 |  | 3,658
Income (Loss) Before Income Taxes | [1] | 7,807 |  | (887) |  | 4,001
Income Tax Provision (Benefit) | [1] | 1,762 |  | (193) |  | 942
Results of Operations | [1] | 6,045 |  | (694) |  | 3,059
United States |  |  |  |  |  |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | [1] | 15,062 |  | 7,056 |  | 11,251
Other | [1] | 108 |  | 60 |  | 134
Total | [1] | 15,170 |  | 7,116 |  | 11,385
Exploration Costs | [1] | 137 |  | 136 |  | 130
Dry Hole Costs | [1] | 29 |  | 13 |  | 11
Transportation Costs | [1] | 863 |  | 734 |  | 753
Gathering and Processing Costs |  | 559 | [1] | 459 | [1] | 479
Production Costs | [1] | 2,108 |  | 1,480 |  | 2,063
Impairments | [1] | 312 |  | 2,018 |  | 511
Depreciation, Depletion and Amortization | [1] | 3,411 |  | 3,192 |  | 3,561
Income (Loss) Before Income Taxes | [1] | 7,751 |  | (916) |  | 3,877
Income Tax Provision (Benefit) | [1] | 1,690 |  | (220) |  | 884
Results of Operations | [1] | 6,061 |  | (696) |  | 2,993
Trinidad |  |  |  |  |  |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | [1] | 301 |  | 180 |  | 270
Other | [1] | 0 |  | 0 |  | 0
Total | [1] | 301 |  | 180 |  | 270
Exploration Costs | [1] | 5 |  | 2 |  | 4
Dry Hole Costs | [1] | 0 |  | 0 |  | 13
Transportation Costs | [1] | 0 |  | 1 |  | 4
Gathering and Processing Costs |  | 0 | [1] | 0 | [1] | 0
Production Costs | [1] | 39 |  | 27 |  | 31
Impairments | [1] | 3 |  | 1 |  | 6
Depreciation, Depletion and Amortization | [1] | 87 |  | 60 |  | 79
Income (Loss) Before Income Taxes | [1] | 167 |  | 89 |  | 133
Income Tax Provision (Benefit) | [1] | 73 |  | 24 |  | 55
Results of Operations | [1] | 94 |  | 65 |  | 78
Other International |  |  |  |  |  |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | [1],[2] | 18 |  | 55 |  | 61
Other | [1],[2] | 0 |  | 0 |  | 0
Total | [1],[2] | 18 |  | 55 |  | 61
Exploration Costs | [1],[2] | 12 |  | 8 |  | 6
Dry Hole Costs | [1],[2] | 42 |  | 0 |  | 4
Transportation Costs | [1],[2] | 0 |  | 0 |  | 1
Gathering and Processing Costs |  | 0 | [1],[2] | 0 | [1],[2] | 0
Production Costs | [1],[2] | 8 |  | 10 |  | 40
Impairments | [1],[2] | 61 |  | 81 |  | 1
Depreciation, Depletion and Amortization | [1],[2] | 6 |  | 16 |  | 18
Income (Loss) Before Income Taxes | [1],[2] | (111) |  | (60) |  | (9)
Income Tax Provision (Benefit) | [1],[2] | (1) |  | 3 |  | 3
Results of Operations | [1],[2] | $ (110) |  | $ (63) |  | $ (12)
[1] | Excludes gains or losses on the mark-to-market of financial commodity derivative contracts, gains or losses on sales of reserves and related assets, interest charges and general corporate expenses for each of the three years in the period ended December 31, 2021.
[2] | 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.

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