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Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2020
Text block [abstract] |
Summary of Property, Plant and Equipment |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net book value of property, plant and equipment |  |  | 1,456,148 |  |  |  | 1,156,950 |  |  |  | 740,103 |
Provision for obsolescence of materials and equipment |  |  | (11,267 | ) |  |  | (6,610 | ) |  |  | (3,955 | )
Provision for impairment of property, plant and equipment |  |  | (65,354 | ) |  |  | (81,329 | ) |  |  | (37,061 | )
|  |  | 1,379,527 |  |  |  | 1,069,011 |  |  |  | 699,087 |
Summary of Changes in Property, Plant and Equipment | Changes in Group’s property, plant and equipment for the years ended December 31, 2020, 2019 and 2018 are as follows:
|  | Land and buildings |  |  | Mining property, wells and related equipment |  |  | Refinery equipment and petrochemical plants |  |  | Transportation equipment |  |  | Materials and equipment in warehouse |  |  | Drilling and work in progress |  |  | Exploratory drilling in progress |  |  | Furniture, fixtures and installations |  |  | Selling equipment |  |  | Infrastructure for natural gas distribution |  |  | Other property |  |  | Total |
Cost |  |  | 21,394 |  |  |  | 775,353 |  |  |  | 134,675 |  |  |  | 7,614 |  |  |  | 15,993 |  |  |  | 59,529 |  |  |  | 2,871 |  |  |  | 10,454 |  |  |  | 18,788 |  |  |  | 3,406 |  |  |  | 11,978 |  |  |  | 1,062,055 |
Accumulated depreciation |  |  | 9,250 |  |  |  | 566,334 |  |  |  | 69,160 |  |  |  | 4,512 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8,686 |  |  |  | 11,656 |  |  |  | 1,381 |  |  |  | 8,446 |  |  |  | 679,425 |
Balance as of December 31, 2017 |  |  | 12,144 |  |  |  | 209,019 | (1) |  |  | 65,515 |  |  |  | 3,102 |  |  |  | 15,993 |  |  |  | 59,529 |  |  |  | 2,871 |  |  |  | 1,768 |  |  |  | 7,132 |  |  |  | 2,025 |  |  |  | 3,532 |  |  |  | 382,630 |
Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 425 |  |  |  | (10,216 | ) (4) |  |  | 370 |  |  |  | 38 |  |  |  | 19,885 |  |  |  | 67,264 |  |  |  | 5,438 |  |  |  | 59 |  |  |  | — |  |  |  | — |  |  |  | 385 |  |  |  | 83,648 | (5) (6)
Translation effect |  |  | 20,845 |  |  |  | 808,772 |  |  |  | 138,924 |  |  |  | 7,400 |  |  |  | 15,332 |  |  |  | 61,084 |  |  |  | 3,851 |  |  |  | 10,935 |  |  |  | 20,016 |  |  |  | — |  |  |  | 11,468 |  |  |  | 1,098,627 |
Adjustment for inflation (7) |  |  | 5,096 |  |  |  | 152 |  |  |  | — |  |  |  | 797 |  |  |  | 1,107 |  |  |  | 792 |  |  |  | — |  |  |  | 1,371 |  |  |  | — |  |  |  | 20,519 |  |  |  | 6,968 |  |  |  | 36,802 |
Decreases and reclassifications |  |  | 287 |  |  |  | 30,807 |  |  |  | 6,482 |  |  |  | 313 |  |  |  | (17,327 | ) |  |  | (64,288 | ) |  |  | (4,188 | ) |  |  | 1,898 |  |  |  | 2,194 |  |  |  | 243 |  |  |  | 838 |  |  |  | (42,741 | ) (3) (8)
Accumulated depreciation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 758 |  |  |  | 82,939 | (4) |  |  | 9,517 |  |  |  | 960 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,561 |  |  |  | 1,680 |  |  |  | 677 |  |  |  | 777 |  |  |  | 98,869 | (5)
Translation effect |  |  | 9,356 |  |  |  | 609,973 |  |  |  | 73,643 |  |  |  | 4,639 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9,158 |  |  |  | 12,396 |  |  |  | — |  |  |  | 8,127 |  |  |  | 727,292 |
Adjustment for inflation (7) |  |  | 2,785 |  |  |  | 141 |  |  |  | — |  |  |  | 565 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,309 |  |  |  | — |  |  |  | 10,584 |  |  |  | 5,152 |  |  |  | 20,536 |
Decreases and reclassifications |  |  | (35 | ) |  |  | (27,457 | ) |  |  | (25 | ) |  |  | (97 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (7 | ) |  |  | (35 | ) |  |  | (134 | ) |  |  | (44 | ) |  |  | (27,834 | ) (8)
Cost |  |  | 48,047 |  |  |  | 1,604,868 |  |  |  | 280,451 |  |  |  | 16,162 |  |  |  | 34,990 |  |  |  | 124,381 |  |  |  | 7,972 |  |  |  | 24,717 |  |  |  | 40,998 |  |  |  | 24,168 |  |  |  | 31,637 |  |  |  | 2,238,391 |
Accumulated depreciation |  |  | 22,114 |  |  |  | 1,231,930 |  |  |  | 152,295 |  |  |  | 10,579 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 20,707 |  |  |  | 25,697 |  |  |  | 12,508 |  |  |  | 22,458 |  |  |  | 1,498,288 |
Balance as of December 31, 2018 |  |  | 25,933 |  |  |  | 372,938 | (1) |  |  | 128,156 |  |  |  | 5,583 |  |  |  | 34,990 |  |  |  | 124,381 |  |  |  | 7,972 |  |  |  | 4,010 |  |  |  | 15,301 |  |  |  | 11,660 |  |  |  | 9,179 |  |  |  | 740,103 |
Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 46 |  |  |  | 1,980 | (4) |  |  | 4,676 |  |  |  | 83 |  |  |  | 43,089 |  |  |  | 114,878 |  |  |  | 6,532 |  |  |  | 106 |  |  |  | — |  |  |  | 865 |  |  |  | 589 |  |  |  | 172,844 | (9)
Translation effect |  |  | 24,838 |  |  |  | 967,212 |  |  |  | 171,788 |  |  |  | 8,723 |  |  |  | 21,044 |  |  |  | 70,818 |  |  |  | 5,014 |  |  |  | 14,289 |  |  |  | 25,116 |  |  |  | — |  |  |  | 13,581 |  |  |  | 1,322,423 |
Adjustment for inflation (7) |  |  | 3,382 |  |  |  | — |  |  |  | — |  |  |  | 716 |  |  |  | 920 |  |  |  | 1,326 |  |  |  | — |  |  |  | 828 |  |  |  | — |  |  |  | 13,010 |  |  |  | 4,793 |  |  |  | 24,975 |
Decreases and reclassifications |  |  | 880 |  |  |  | 114,493 |  |  |  | 15,715 |  |  |  | 1,358 |  |  |  | (37,620 | ) |  |  | (116,818 | ) |  |  | (8,132 | ) |  |  | 1,077 |  |  |  | 4,021 |  |  |  | 6,600 |  |  |  | (3,894 | ) |  |  | (22,320 | ) (3)
Accumulated depreciation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 1,260 |  |  |  | 137,017 | (4) |  |  | 16,092 |  |  |  | 1,345 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,536 |  |  |  | 2,765 |  |  |  | 989 |  |  |  | 1,325 |  |  |  | 163,329 |
Translation effect |  |  | 11,444 |  |  |  | 758,928 |  |  |  | 93,611 |  |  |  | 5,917 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11,935 |  |  |  | 15,822 |  |  |  | — |  |  |  | 9,862 |  |  |  | 907,519 |
Adjustment for inflation (7) |  |  | 1,726 |  |  |  | — |  |  |  | — |  |  |  | 486 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 773 |  |  |  | — |  |  |  | 6,733 |  |  |  | 3,270 |  |  |  | 12,988 |
Decreases and reclassifications |  |  | 9 |  |  |  | (2,287 | ) |  |  | (33 | ) |  |  | (376 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (834 | ) |  |  | (13 | ) |  |  | 3,647 |  |  |  | (2,874 | ) |  |  | (2,761 | ) (3)
Cost |  |  | 77,193 |  |  |  | 2,688,553 |  |  |  | 472,630 |  |  |  | 27,042 |  |  |  | 62,423 |  |  |  | 194,585 |  |  |  | 11,386 |  |  |  | 41,017 |  |  |  | 70,135 |  |  |  | 44,643 |  |  |  | 46,706 |  |  |  | 3,736,313 |
Accumulated depreciation |  |  | 36,553 |  |  |  | 2,125,588 |  |  |  | 261,965 |  |  |  | 17,951 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 35,117 |  |  |  | 44,271 |  |  |  | 23,877 |  |  |  | 34,041 |  |  |  | 2,579,363 |
Balance as of December 31, 2019 |  |  | 40,640 |  |  |  | 562,965 | (1) |  |  | 210,665 |  |  |  | 9,091 |  |  |  | 62,423 |  |  |  | 194,585 |  |  |  | 11,386 | (2) |  |  | 5,900 |  |  |  | 25,864 |  |  |  | 20,766 |  |  |  | 12,665 |  |  |  | 1,156,950 |
Table of Contents
|  | Land and buildings |  |  | Mining property, wells and related equipment |  |  | Refinery equipment and petrochemical plants |  |  | Transportation equipment |  |  | Materials and equipment in warehouse |  |  | Drilling and work in progress |  |  | Exploratory drilling in progress |  |  | Furniture, fixtures and installations |  |  | Selling equipment |  |  | Infrastructure for natural gas distribution |  |  | Other property |  |  | Total |
Cost |  |  | 77,193 |  |  |  | 2,688,553 |  |  |  | 472,630 |  |  |  | 27,042 |  |  |  | 62,423 |  |  |  | 194,585 |  |  |  | 11,386 |  |  |  | 41,017 |  |  |  | 70,135 |  |  |  | 44,643 |  |  |  | 46,706 |  |  |  | 3,736,313 |
Accumulated depreciation |  |  | 36,553 |  |  |  | 2,125,588 |  |  |  | 261,965 |  |  |  | 17,951 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 35,117 |  |  |  | 44,271 |  |  |  | 23,877 |  |  |  | 34,041 |  |  |  | 2,579,363 |
Balance as of December 31, 2019 |  |  | 40,640 |  |  |  | 562,965 | (1) |  |  | 210,665 |  |  |  | 9,091 |  |  |  | 62,423 |  |  |  | 194,585 |  |  |  | 11,386 | (2) |  |  | 5,900 |  |  |  | 25,864 |  |  |  | 20,766 |  |  |  | 12,665 |  |  |  | 1,156,950 |
Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 62 |  |  |  | (13,412 | ) (4) |  |  | 1,724 |  |  |  | 119 |  |  |  | 33,422 |  |  |  | 72,162 |  |  |  | 152 |  |  |  | 121 |  |  |  | — |  |  |  | 1,587 |  |  |  | 341 |  |  |  | 96,278 | (9)
Translation effect |  |  | 27,498 |  |  |  | 1,110,354 |  |  |  | 194,960 |  |  |  | 10,051 |  |  |  | 24,712 |  |  |  | 61,134 |  |  |  | 2,605 |  |  |  | 17,133 |  |  |  | 30,261 |  |  |  | — |  |  |  | 14,969 |  |  |  | 1,493,677 |
Adjustment for inflation (7) |  |  | 3,600 |  |  |  | — |  |  |  | — |  |  |  | 902 |  |  |  | 421 |  |  |  | 2,575 |  |  |  | — |  |  |  | 537 |  |  |  | — |  |  |  | 16,134 |  |  |  | 3,416 |  |  |  | 27,585 |
Decreases and reclassifications |  |  | (589 | ) |  |  | 93,720 |  |  |  | 13,872 |  |  |  | 205 |  |  |  | (31,252 | ) |  |  | (106,547 | ) |  |  | (10,245 | ) |  |  | 3,997 |  |  |  | 6,023 |  |  |  | 1,735 |  |  |  | (516 | ) |  |  | (29,597 | ) (3) (10) (11)
Accumulated depreciation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increases |  |  | 2,054 |  |  |  | 171,786 | (4) |  |  | 27,195 |  |  |  | 1,679 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,092 |  |  |  | 4,493 |  |  |  | 1,287 |  |  |  | 1,727 |  |  |  | 214,313 |
Translation effect |  |  | 13,013 |  |  |  | 896,732 |  |  |  | 111,376 |  |  |  | 6,905 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 14,394 |  |  |  | 18,791 |  |  |  | — |  |  |  | 11,135 |  |  |  | 1,072,346 |
Adjustment for inflation (7) |  |  | 1,801 |  |  |  | — |  |  |  | — |  |  |  | 524 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 489 |  |  |  | — |  |  |  | 8,629 |  |  |  | 2,497 |  |  |  | 13,940 |
Decreases and reclassifications |  |  | (1,647 | ) |  |  | (8,915 | ) |  |  | — |  |  |  | (360 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (117 | ) |  |  | (25 | ) |  |  | (221 | ) |  |  | (569 | ) |  |  | (11,854 | ) (3) (10) (11)
Cost |  |  | 107,764 |  |  |  | 3,879,215 |  |  |  | 683,186 |  |  |  | 38,319 |  |  |  | 89,726 |  |  |  | 223,909 |  |  |  | 3,898 |  |  |  | 62,805 |  |  |  | 106,419 |  |  |  | 64,099 |  |  |  | 64,916 |  |  |  | 5,324,256 |
Accumulated depreciation |  |  | 51,774 |  |  |  | 3,185,191 |  |  |  | 400,536 |  |  |  | 26,699 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 53,975 |  |  |  | 67,530 |  |  |  | 33,572 |  |  |  | 48,831 |  |  |  | 3,868,108 |
Balance as of December 31, 2020 |  |  | 55,990 |  |  |  | 694,024 | (1) |  |  | 282,650 |  |  |  | 11,620 |  |  |  | 89,726 |  |  |  | 223,909 |  |  |  | 3,898 | (2) |  |  | 8,830 |  |  |  | 38,889 |  |  |  | 30,527 |  |  |  | 16,085 |  |  |  | 1,456,148 |
(1) | Includes 34,801, 22,343 and 16,154 of mineral property as of December 31, 2020, 2019 and 2018, respectively.
(2) | As of December 31, 2020, there are 10 exploratory wells in progress. During the year ended on such date, 4 wells were started, 6 wells were charged to exploratory expense and 12 wells were transferred to properties with proven reserves in the mining property, wells and related equipment account.
(3) | Includes 1,256, 48 and 60 of net book value charged to property, plant and equipment provisions for the years ended December 31, 2020, 2019 and 2018, respectively.
(4) | Includes (13,918), 1,172 and (11,710) corresponding to hydrocarbon wells abandonment costs and 12,492, 4,664 and 5,521 of depreciation recovery for the years ended December 31, 2020, 2019 and 2018, respectively.
(5) | Includes 1,470 and 1,092 of cost and accumulated depreciation, respectively, corresponding to additions for the acquisition of a participation in several areas.
(6) | Includes 2,327 corresponding to business combination. See Note 3.
(7) | Corresponds to adjustments for inflation of opening balances of property, plant and equipment of subsidiaries with the Peso as functional currency which was charged to other comprehensive income.
(8) | Includes 31,800 and 28,673 of cost and accumulated depreciation, respectively, corresponding to the reclassification of certain areas that were reclassified as assets held for disposal.
(9) | Includes 599 and 2,109 corresponding to short-term leases as of December 31, 2020 and 2019, respectively; includes 1,669 and 1,228 corresponding to the variable charge of leases related to the underlying asset performance/use as of December 31, 2020 and 2019, respectively. Additionally, it includes 3,789 and 2,021 corresponding to the depreciation capitalization of right-of-use assets as of December 31, 2020 and 2019 (see Note 9); and 967 and 311 corresponding to capitalization of the financial accretion of the lease liability as of December 31, 2020 and 2019, respectively (see Note 19).
(10) | Includes 2,027 and 204 of cost and accumulated depreciation, respectively, corresponding to the disposal of the 11% interest of Bandurria Sur area. See Note 3.
(11) | Includes 2,715 and 2,221 of cost and accumulated depreciation, respectively, corresponding to the reclassification of assets held for disposal.
Summary of Provision for Obsolescence of Materials and Equipment | Set forth below is the evolution of the provision for obsolescence of materials and equipment for the years ended December 31, 2020, 2019 and 2018:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Amount at beginning of year |  |  | 6,610 |  |  |  | 3,955 |  |  |  | 1,652 |
Increase charged to profit or loss |  |  | 1,977 |  |  |  | 410 |  |  |  | 629 |
Decreases charged to profit or loss |  |  | (1 | ) |  |  | (22 | ) |  |  | — |
Amounts incurred due to utilization |  |  | (6 | ) |  |  | (48 | ) |  |  | (60 | )
Translation differences |  |  | 2,687 |  |  |  | 2,315 |  |  |  | 1,666 |
Transfers and other movements |  |  | — |  |  |  | — |  |  |  | 68 |
Amount at end of year |  |  | 11,267 |  |  |  | 6,610 |  |  |  | 3,955 |
Summary of Provision for Impairment of Property, Plant and Equipment | Set forth below is the evolution of the provision for impairment of property, plant and equipment for 2020, 2019 and 2018:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Amount at beginning of year |  |  | 81,329 |  |  |  | 37,061 |  |  |  | 26,535 |
Increases charged to profit or loss (1) |  |  | 57,920 |  |  |  | 41,429 |  |  |  | 36,937 |
Decreases charged to profit or loss (1) |  |  | (66,170 | ) |  |  | — |  |  |  | (39,837 | )
Applications to utilization |  |  | (1,250 | ) |  |  | — |  |  |  | — |
Depreciation (2) |  |  | (42,861 | ) |  |  | (17,435 | ) |  |  | (10,208 | )
Translation differences |  |  | 36,386 |  |  |  | 20,274 |  |  |  | 23,634 |
Amount at end of year |  |  | 65,354 |  |  |  | 81,329 |  |  |  | 37,061 |
(1) | See Note 2.c.
(2) | Included in “Depreciation of property, plant and equipment” in Note 25.
Summary of Cost Evolution for Exploratory Wells in Evaluation Stage | Set forth below is the cost evolution for the exploratory wells in evaluation stage as of the years ended on December 31, 2020, 2019 and 2018:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Amount at beginning of year |  |  | 8,456 |  |  |  | 4,067 |  |  |  | 1,236 |
Additions pending the determination of proved reserves |  |  | 86 |  |  |  | 5,229 |  |  |  | 2,179 |
Decreases charged to exploration expenses |  |  | (1,174 | ) |  |  | (1,036 | ) |  |  | (382 | )
Reclassifications to mineral property, wells and related equipment with proved reserves |  |  | (6,760 | ) |  |  | (2,716 | ) |  |  | (703 | )
Translation difference |  |  | 1,928 |  |  |  | 2,912 |  |  |  | 1,737 |
Amount at end of year |  |  | 2,536 |  |  |  | 8,456 |  |  |  | 4,067 |
Summary of Cost for Exploratory Wells | The following table shows the cost for exploratory wells under assessment for a period greater than a year and the number of projects related as of December 31, 2020.
|  | Amount |  |  | Number of projects |  |  | Number of wells |
Between 1 and 5 years |  |  | 2,536 |  |  |  | 2 |  |  |  | 2 |

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