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v3.21.1

Property Plant and Equipment - Summary of Changes in Property Plant and Equipment (Detail) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | $ 1,069,011 | $ 699,087 |
Amount at end of year | 1,379,527 | 1,069,011 | $ 699,087
Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 3,736,313 | 2,238,391 | 1,062,055
Increases | 96,278 | 172,844 | 83,648
Translation effect | 1,493,677 | 1,322,423 | 1,098,627
Adjustment for inflation | 27,585 | 24,975 | 36,802
Decreases and reclassifications | (29,597) | (22,320) | (42,741)
Amount at end of year | 5,324,256 | 3,736,313 | 2,238,391
Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 2,579,363 | 1,498,288 | 679,425
Increases | 214,313 | 163,329 | 98,869
Translation effect | 1,072,346 | 907,519 | 727,292
Adjustment for inflation | 13,940 | 12,988 | 20,536
Decreases and reclassifications | (11,854) | (2,761) | (27,834)
Amount at end of year | 3,868,108 | 2,579,363 | 1,498,288
Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 1,156,950 | 740,103 | 382,630
Amount at end of year | 1,456,148 | 1,156,950 | 740,103
Land and buildings [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 77,193 | 48,047 | 21,394
Increases | 62 | 46 | 425
Translation effect | 27,498 | 24,838 | 20,845
Adjustment for inflation | 3,600 | 3,382 | 5,096
Decreases and reclassifications | (589) | 880 | 287
Amount at end of year | 107,764 | 77,193 | 48,047
Land and buildings [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 36,553 | 22,114 | 9,250
Increases | 2,054 | 1,260 | 758
Translation effect | 13,013 | 11,444 | 9,356
Adjustment for inflation | 1,801 | 1,726 | 2,785
Decreases and reclassifications | (1,647) | 9 | (35)
Amount at end of year | 51,774 | 36,553 | 22,114
Land and buildings [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 40,640 | 25,933 | 12,144
Amount at end of year | 55,990 | 40,640 | 25,933
Mining Property, Wells and Related Equipment [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 2,688,553 | 1,604,868 | 775,353
Increases | (13,412) | 1,980 | (10,216)
Translation effect | 1,110,354 | 967,212 | 808,772
Adjustment for inflation |  |  | 152
Decreases and reclassifications | 93,720 | 114,493 | 30,807
Amount at end of year | 3,879,215 | 2,688,553 | 1,604,868
Mining Property, Wells and Related Equipment [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 2,125,588 | 1,231,930 | 566,334
Increases | 171,786 | 137,017 | 82,939
Translation effect | 896,732 | 758,928 | 609,973
Adjustment for inflation |  |  | 141
Decreases and reclassifications | (8,915) | (2,287) | (27,457)
Amount at end of year | 3,185,191 | 2,125,588 | 1,231,930
Mining Property, Wells and Related Equipment [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 562,965 | 372,938 | 209,019
Amount at end of year | 694,024 | 562,965 | 372,938
Refinery equipment and petrochemical plants [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 472,630 | 280,451 | 134,675
Increases | 1,724 | 4,676 | 370
Translation effect | 194,960 | 171,788 | 138,924
Decreases and reclassifications | 13,872 | 15,715 | 6,482
Amount at end of year | 683,186 | 472,630 | 280,451
Refinery equipment and petrochemical plants [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 261,965 | 152,295 | 69,160
Increases | 27,195 | 16,092 | 9,517
Translation effect | 111,376 | 93,611 | 73,643
Decreases and reclassifications |  | (33) | (25)
Amount at end of year | 400,536 | 261,965 | 152,295
Refinery equipment and petrochemical plants [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 210,665 | 128,156 | 65,515
Amount at end of year | 282,650 | 210,665 | 128,156
Transportation equipment [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 27,042 | 16,162 | 7,614
Increases | 119 | 83 | 38
Translation effect | 10,051 | 8,723 | 7,400
Adjustment for inflation | 902 | 716 | 797
Decreases and reclassifications | 205 | 1,358 | 313
Amount at end of year | 38,319 | 27,042 | 16,162
Transportation equipment [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 17,951 | 10,579 | 4,512
Increases | 1,679 | 1,345 | 960
Translation effect | 6,905 | 5,917 | 4,639
Adjustment for inflation | 524 | 486 | 565
Decreases and reclassifications | (360) | (376) | (97)
Amount at end of year | 26,699 | 17,951 | 10,579
Transportation equipment [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 9,091 | 5,583 | 3,102
Amount at end of year | 11,620 | 9,091 | 5,583
Materials and equipment in warehouse [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 62,423 | 34,990 | 15,993
Increases | 33,422 | 43,089 | 19,885
Translation effect | 24,712 | 21,044 | 15,332
Adjustment for inflation | 421 | 920 | 1,107
Decreases and reclassifications | (31,252) | (37,620) | (17,327)
Amount at end of year | 89,726 | 62,423 | 34,990
Materials and equipment in warehouse [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 62,423 | 34,990 | 15,993
Amount at end of year | 89,726 | 62,423 | 34,990
Drilling and work in progress [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 194,585 | 124,381 | 59,529
Increases | 72,162 | 114,878 | 67,264
Translation effect | 61,134 | 70,818 | 61,084
Adjustment for inflation | 2,575 | 1,326 | 792
Decreases and reclassifications | (106,547) | (116,818) | (64,288)
Amount at end of year | 223,909 | 194,585 | 124,381
Drilling and work in progress [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 194,585 | 124,381 | 59,529
Amount at end of year | 223,909 | 194,585 | 124,381
Exploratory Drilling in Progress [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 11,386 | 7,972 | 2,871
Increases | 152 | 6,532 | 5,438
Translation effect | 2,605 | 5,014 | 3,851
Decreases and reclassifications | (10,245) | (8,132) | (4,188)
Amount at end of year | 3,898 | 11,386 | 7,972
Exploratory Drilling in Progress [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 11,386 | 7,972 | 2,871
Amount at end of year | 3,898 | 11,386 | 7,972
Furniture, fixtures and installations [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 41,017 | 24,717 | 10,454
Increases | 121 | 106 | 59
Translation effect | 17,133 | 14,289 | 10,935
Adjustment for inflation | 537 | 828 | 1,371
Decreases and reclassifications | 3,997 | 1,077 | 1,898
Amount at end of year | 62,805 | 41,017 | 24,717
Furniture, fixtures and installations [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 35,117 | 20,707 | 8,686
Increases | 4,092 | 2,536 | 1,561
Translation effect | 14,394 | 11,935 | 9,158
Adjustment for inflation | 489 | 773 | 1,309
Decreases and reclassifications | (117) | (834) | (7)
Amount at end of year | 53,975 | 35,117 | 20,707
Furniture, fixtures and installations [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 5,900 | 4,010 | 1,768
Amount at end of year | 8,830 | 5,900 | 4,010
Selling equipment [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 70,135 | 40,998 | 18,788
Translation effect | 30,261 | 25,116 | 20,016
Decreases and reclassifications | 6,023 | 4,021 | 2,194
Amount at end of year | 106,419 | 70,135 | 40,998
Selling equipment [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 44,271 | 25,697 | 11,656
Increases | 4,493 | 2,765 | 1,680
Translation effect | 18,791 | 15,822 | 12,396
Decreases and reclassifications | (25) | (13) | (35)
Amount at end of year | 67,530 | 44,271 | 25,697
Selling equipment [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 25,864 | 15,301 | 7,132
Amount at end of year | 38,889 | 25,864 | 15,301
Infrastructure for Natural Gas Distribution [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 44,643 | 24,168 | 3,406
Increases | 1,587 | 865 |
Adjustment for inflation | 16,134 | 13,010 | 20,519
Decreases and reclassifications | 1,735 | 6,600 | 243
Amount at end of year | 64,099 | 44,643 | 24,168
Infrastructure for Natural Gas Distribution [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 23,877 | 12,508 | 1,381
Increases | 1,287 | 989 | 677
Adjustment for inflation | 8,629 | 6,733 | 10,584
Decreases and reclassifications | (221) | 3,647 | (134)
Amount at end of year | 33,572 | 23,877 | 12,508
Infrastructure for Natural Gas Distribution [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 20,766 | 11,660 | 2,025
Amount at end of year | 30,527 | 20,766 | 11,660
Other Property [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 46,706 | 31,637 | 11,978
Increases | 341 | 589 | 385
Translation effect | 14,969 | 13,581 | 11,468
Adjustment for inflation | 3,416 | 4,793 | 6,968
Decreases and reclassifications | (516) | (3,894) | 838
Amount at end of year | 64,916 | 46,706 | 31,637
Other Property [member] | Accumulated depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 34,041 | 22,458 | 8,446
Increases | 1,727 | 1,325 | 777
Translation effect | 11,135 | 9,862 | 8,127
Adjustment for inflation | 2,497 | 3,270 | 5,152
Decreases and reclassifications | (569) | (2,874) | (44)
Amount at end of year | 48,831 | 34,041 | 22,458
Other Property [member] | Net book value of property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount at beginning of year | 12,665 | 9,179 | 3,532
Amount at end of year | $ 16,085 | $ 12,665 | $ 9,179

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