XML 182 R156.htm IDEA: XBRL DOCUMENT
v3.22.1

Supplemental information on oil and gas activities (Schedule of Net Proved Reserves of Oil, Condensate and Natural Gas) (Details) | 12 Months Ended
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Dec. 31, 2021 MMcf MBbls | Dec. 31, 2020 MBbls MMcf | Dec. 31, 2019 MBbls MMcf MMBbls
Colombia [Member] |  |  |
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMBbls |  |  | 6.3
Chile [Member] |  |  |
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMBbls |  |  | 0.3
Argentina [Member] |  |  |
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMBbls |  |  | 0.4
Oil And Condensates [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 92,907 | 116,602 | 100,106
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | (3,955) | (4,530) | 19,731
Extensions and discoveries | 3,978 | 4,824 | 8,107
Purchases of minerals in place |  | (12,357) |
Productions | (10,983) | (11,632) | (11,342)
Reserves | 81,947 | 92,907 | 116,602
Oil And Condensates [Member] | Colombia [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 89,057 | 90,609 | 74,775
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | (3,207) | (1,964) | 18,341
Extensions and discoveries | 3,375 | 4,545 | 8,071
Purchases of minerals in place |  | 6,853 |
Productions | (10,440) | (10,986) | (10,578)
Reserves | 78,785 | 89,057 | 90,609
Oil And Condensates [Member] | Chile [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 2,027 | 3,707 | 3,318
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | (597) | (1,825) | 541
Extensions and discoveries |  | 279 | 36
Purchases of minerals in place |  | 0 |
Productions | (100) | (134) | (188)
Reserves | 1,330 | 2,027 | 3,707
Oil And Condensates [Member] | Brazil [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 34 | 48 | 55
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | 18 | (7) | 4
Extensions and discoveries |  | 0 | 0
Purchases of minerals in place |  | 0 |
Productions | (9) | (7) | (11)
Reserves | 43 | 34 | 48
Oil And Condensates [Member] | Argentina [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 1,789 | 3,028 | 3,498
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | (169) | (734) | 95
Extensions and discoveries | 603 | 0 | 0
Purchases of minerals in place |  | 0 |
Productions | (434) | (505) | (565)
Reserves | 1,789 | 1,789 | 3,028
Oil And Condensates [Member] | Peru [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | 0 | 19,210 | 18,460
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions |  | 0 | 750
Extensions and discoveries |  | 0 | 0
Purchases of minerals in place |  | (19,210) |
Productions |  | 0 | 0
Reserves | 0 | 0 | 19,210
Naturals gas [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | MMcf | 45,936 | 44,245 | 49,609
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMcf | (705) | 2,133 | 475
Extensions and discoveries | MMcf |  | 10,456 | 5,681
Productions | MMcf | (10,285) | (10,898) | (11,520)
Reserves | MMcf | 34,946 | 45,936 | 44,245
Naturals gas [Member] | Colombia [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | MMcf | 1,695 | 2,319 | 2,122
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMcf | 14 | (211) | 621
Extensions and discoveries | MMcf |  | 0 | 295
Productions | MMcf | (502) | (413) | (719)
Reserves | MMcf | 1,207 | 1,695 | 2,319
Naturals gas [Member] | Chile [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | MMcf | 24,715 | 20,819 | 20,767
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMcf | (3,553) | (385) | (167)
Extensions and discoveries | MMcf |  | 10,456 | 5,386
Productions | MMcf | (4,403) | (6,175) | (5,167)
Reserves | MMcf | 16,759 | 24,715 | 20,819
Naturals gas [Member] | Brazil [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | MMcf | 13,927 | 14,872 | 17,339
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMcf | 3,470 | 1,840 | 1,812
Extensions and discoveries | MMcf |  | 0 | 0
Productions | MMcf | (3,796) | (2,785) | (4,279)
Reserves | MMcf | 13,601 | 13,927 | 14,872
Naturals gas [Member] | Argentina [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Reserves | MMcf | 5,599 | 6,235 | 9,381
Proved reserves of oil, condensate and natural gas, increase decrease attributable to [abstract] |  |  |
Revisions | MMcf | (636) | 889 | (1,791)
Extensions and discoveries | MMcf |  | 0 | 0
Productions | MMcf | (1,584) | (1,525) | (1,355)
Reserves | MMcf | 3,379 | 5,599 | 6,235

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