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Expenses by Nature - Detailed Information about Expenses by Nature (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of expenses [line items] |  |  |
Salaries and social security taxes | $ 64,427 | $ 46,958 | $ 26,847
Fees and compensation for services | 12,842 | 10,317 | 6,210
Other personnel expenses | 9,919 | 10,482 | 6,212
Taxes, charges and contributions | 22,452 | 18,357 | 9,563
Royalties, easements and canons | 42,863 | 42,540 | 31,813
Insurance | 5,854 | 2,991 | 1,583
Rental of real estate and equipment | 9,272 | 11,978 | 9,801
Survey expenses | 526 | 1,212 | 848
Depreciation of property, plant and equipment | 171,452 | 145,894 | 87,569
Amortization of intangible assets | 3,428 | 2,374 | 1,749
Depreciation of right-of-use assets | 17,873 | 10,509 |
Industrial inputs, consumable materials and supplies | 23,529 | 22,530 | 11,379
Operation services and other service contracts | 38,922 | 21,792 | 16,676
Preservation, repair and maintenance | 53,768 | 50,989 | 32,695
Unproductive exploratory drillings | 3,586 | 3,832 | 3,331
Transportation, products and charges | 37,965 | 39,374 | 22,333
Provision for doubtful trade receivables | 12,317 | 3,184 | 353
Publicity and advertising expenses | 3,263 | 3,616 | 1,929
Fuel, gas, energy and miscellaneous | 20,177 | 10,792 | 10,764
Total | 554,435 | 459,721 | 281,655
Production costs [Member] |  |  |
Disclosure of expenses [line items] |  |  |
Salaries and social security taxes | 43,315 | 33,991 | 18,908
Fees and compensation for services | 2,469 | 2,491 | 1,772
Other personnel expenses | 8,789 | 8,941 | 5,313
Taxes, charges and contributions | 7,287 | 7,370 | 3,634
Royalties, easements and canons | 42,709 | 42,135 | 31,677
Insurance | 5,314 | 2,692 | 1,335
Rental of real estate and equipment | 7,332 | 11,079 | 8,983
Depreciation of property, plant and equipment | 161,453 | 139,345 | 83,700
Amortization of intangible assets | 2,821 | 2,020 | 1,497
Depreciation of right-of-use assets | 16,868 | 9,835 |
Industrial inputs, consumable materials and supplies | 22,838 | 22,095 | 11,126
Operation services and other service contracts | 34,492 | 18,512 | 14,973
Preservation, repair and maintenance | 50,850 | 48,762 | 31,141
Transportation, products and charges | 20,966 | 23,137 | 12,714
Fuel, gas, energy and miscellaneous | 14,761 | 5,876 | 7,567
Total | 442,264 | 378,281 | 234,340
Administrative expenses [Member] |  |  |
Disclosure of expenses [line items] |  |  |
Salaries and social security taxes | 13,056 | 8,075 | 4,867
Fees and compensation for services | 8,667 | 6,389 | 3,534
Other personnel expenses | 768 | 962 | 571
Taxes, charges and contributions | 430 | 312 | 275
Insurance | 403 | 181 | 130
Rental of real estate and equipment | 48 | 38 | 24
Depreciation of property, plant and equipment | 4,170 | 2,839 | 1,758
Amortization of intangible assets | 567 | 323 | 222
Depreciation of right-of-use assets | 16 |  |
Industrial inputs, consumable materials and supplies | 258 | 183 | 59
Operation services and other service contracts | 588 | 744 | 372
Preservation, repair and maintenance | 1,365 | 1,021 | 620
Transportation, products and charges | 2 | 15 | 4
Publicity and advertising expenses | 2,481 | 2,551 | 951
Fuel, gas, energy and miscellaneous | 1,671 | 1,068 | 535
Total | 34,490 | 24,701 | 13,922
Selling expenses [Member] |  |  |
Disclosure of expenses [line items] |  |  |
Salaries and social security taxes | 7,230 | 4,226 | 2,592
Fees and compensation for services | 1,694 | 1,265 | 883
Other personnel expenses | 326 | 513 | 278
Taxes, charges and contributions | 14,664 | 10,627 | 5,626
Royalties, easements and canons | 74 | 122 | 64
Insurance | 137 | 118 | 118
Rental of real estate and equipment | 1,892 | 861 | 766
Depreciation of property, plant and equipment | 5,829 | 3,710 | 2,111
Amortization of intangible assets | 40 | 31 | 30
Depreciation of right-of-use assets | 989 | 674 |
Industrial inputs, consumable materials and supplies | 406 | 201 | 172
Operation services and other service contracts | 3,298 | 2,249 | 1,302
Preservation, repair and maintenance | 1,501 | 1,081 | 886
Transportation, products and charges | 16,997 | 16,222 | 9,615
Provision for doubtful trade receivables | 12,317 | 3,184 | 353
Publicity and advertising expenses | 782 | 1,065 | 978
Fuel, gas, energy and miscellaneous | 3,659 | 3,749 | 2,153
Total | 71,835 | 49,898 | 27,927
Exploration expenses [Member] |  |  |
Disclosure of expenses [line items] |  |  |
Salaries and social security taxes | 826 | 666 | 480
Fees and compensation for services | 12 | 172 | 21
Other personnel expenses | 36 | 66 | 50
Taxes, charges and contributions | 71 | 48 | 28
Royalties, easements and canons | 80 | 283 | 72
Rental of real estate and equipment |  |  | 28
Survey expenses | 526 | 1,212 | 848
Industrial inputs, consumable materials and supplies | 27 | 51 | 22
Operation services and other service contracts | 544 | 287 | 29
Preservation, repair and maintenance | 52 | 125 | 48
Unproductive exploratory drillings | 3,586 | 3,832 | 3,331
Fuel, gas, energy and miscellaneous | 86 | 99 | 509
Total | $ 5,846 | $ 6,841 | $ 5,466

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