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v3.23.1

Supplemental information on oil and gas activities (Schedule of Changes in the Standardized Measure of Discounted Future Net Cash Flows from Proved Reserves) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | $ 1,292,733 | $ 801,624 | $ 1,593,735
Sales of hydrocarbon, net of production costs | (924,280) | (560,896) | (236,797)
Net changes in sales price and production costs | 989,474 | 1,005,171 | (1,108,304)
Changes in estimated future development costs | 59,566 | 99,168 | 512,994
Extensions and discoveries less related costs | 35,627 | 79,913 | 73,812
Development costs incurred | 105,348 | 91,988 | 81,276
Revisions of previous quantity estimates | (74,779) | (88,204) | (36,683)
Purchase or (Disposal) of Minerals in place | (342) |  | (30,902)
Net changes in income taxes | (203,697) | (257,154) | (281,554)
Accretion of discount | 205,005 | 121,123 | 234,047
Balance Ending | 1,484,655 | 1,292,733 | 801,624
Colombia [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 1,217,821 | 759,233 | 1,313,572
Sales of hydrocarbon, net of production costs | (891,534) | (516,844) | (221,620)
Net changes in sales price and production costs | 956,926 | 924,875 | (975,716)
Changes in estimated future development costs | 93,657 | 96,364 | 514,317
Extensions and discoveries less related costs | 6,754 | 80,933 | 59,898
Development costs incurred | 94,195 | 87,877 | 69,694
Revisions of previous quantity estimates | (87,851) | (76,850) | (27,190)
Purchase or (Disposal) of Minerals in place | 0 |  | 90,315
Net changes in income taxes | (205,370) | (254,618) | (281,264)
Accretion of discount | 197,203 | 116,851 | 217,227
Balance Ending | 1,381,801 | 1,217,821 | 759,233
Chile [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 32,867 | 17,032 | 104,223
Sales of hydrocarbon, net of production costs | (15,317) | (11,520) | (12,803)
Net changes in sales price and production costs | 39,457 | 64,048 | (117,895)
Changes in estimated future development costs | (22,675) | (18,731) | 20,870
Extensions and discoveries less related costs | 0 | 0 | 13,914
Development costs incurred | 11,153 | 4,111 | 10,743
Revisions of previous quantity estimates | 15,513 | (23,776) | (13,002)
Purchase or (Disposal) of Minerals in place | 0 |  | 0
Net changes in income taxes | 0 | 0 | 0
Accretion of discount | 3,287 | 1,703 | 10,982
Balance Ending | 64,285 | 32,867 | 17,032
Brazil [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 41,703 | 25,378 | 43,382
Sales of hydrocarbon, net of production costs | (14,697) | (15,677) | 8,080
Net changes in sales price and production costs | (6,909) | 19,393 | (14,580)
Changes in estimated future development costs | (933) | 861 | (19,606)
Extensions and discoveries less related costs | 0 | 0 | 0
Development costs incurred | 0 | 0 | 394
Revisions of previous quantity estimates | (2,441) | 11,957 | 3,519
Purchase or (Disposal) of Minerals in place | 0 |  | 0
Net changes in income taxes | 1,673 | (2,780) | (290)
Accretion of discount | 4,515 | 2,571 | 4,479
Balance Ending | 22,911 | 41,703 | 25,378
Argentina [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 342 | (19) | 11,341
Sales of hydrocarbon, net of production costs | 0 | (16,855) | (10,454)
Net changes in sales price and production costs | 0 | (3,145) | (113)
Changes in estimated future development costs | 0 | 20,674 | (2,587)
Extensions and discoveries less related costs | 0 | (1,020) | 0
Development costs incurred | 0 | 0 | 445
Revisions of previous quantity estimates | 0 | 465 | (10)
Purchase or (Disposal) of Minerals in place | (342) |  | 0
Net changes in income taxes | 0 | 244 | 0
Accretion of discount | 0 | (2) | 1,359
Balance Ending | 0 | 342 | (19)
Ecuador [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 0 | 0 |
Sales of hydrocarbon, net of production costs | (2,732) |  |
Changes in estimated future development costs | (10,483) |  |
Extensions and discoveries less related costs | 28,873 |  |
Balance Ending | 15,658 | 0 | 0
Peru [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Balance Beginning | 0 | 0 | 121,217
Sales of hydrocarbon, net of production costs | 0 | 0 | 0
Net changes in sales price and production costs | 0 | 0 | 0
Changes in estimated future development costs | 0 | 0 | 0
Extensions and discoveries less related costs | 0 | 0 | 0
Development costs incurred | 0 | 0 | 0
Revisions of previous quantity estimates | 0 | 0 | 0
Purchase or (Disposal) of Minerals in place | 0 |  | (121,217)
Net changes in income taxes | 0 | 0 | 0
Accretion of discount | 0 | 0 | 0
Balance Ending | $ 0 | $ 0 | $ 0

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