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v3.21.1

Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Results of Operations from Oil and Gas Producing Activities (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Oil And Gas Producing Activities [line items] |  |  |
Other | $ (9,919) | $ (10,482) | $ (6,212)
Pre-tax income (loss) from producing activities | (56,428) | (7,010) | 90,144
Income tax expense / benefit | (14,589) | (26,369) | (51,538)
Argentina [member] |  |  |
Disclosure Of Oil And Gas Producing Activities [line items] |  |  |
Net sales to unaffiliated parties | 2,419 | 1,949 | 3,085
Net intersegment sales | 289,421 | 286,585 | 207,480
Total net revenues | 291,840 | 288,534 | 210,565
Production costs | (193,166) | (164,562) | (114,381)
Exploration expenses | (5,688) | (6,045) | (5,185)
Depreciation of property, plant and equipment; intangible and right-of-use assets | (137,183) | (124,977) | (72,044)
Impairment of Property, plant and equipment | 7,475 | (40,561) | 3,265
Other | 889 | (6,569) | (2,839)
Pre-tax income (loss) from producing activities | (35,833) | (54,180) | 19,381
Income tax expense / benefit | 10,750 | 16,254 | (5,814)
Results of oil and gas producing activities | (25,083) | (37,926) | 13,567
Other foreign [Member] |  |  |
Disclosure Of Oil And Gas Producing Activities [line items] |  |  |
Net sales to unaffiliated parties | 6 | 120 |
Total net revenues | 6 | 120 |
Production costs | (165) | (242) |
Exploration expenses | (169) | (734) | (224)
Depreciation of property, plant and equipment; intangible and right-of-use assets | (21) | (980) |
Impairment of Property, plant and equipment |  |  | (365)
Other | 231 | (56) | (168)
Pre-tax income (loss) from producing activities | (118) | (1,892) | (757)
Income tax expense / benefit | 41 | 417 | 227
Results of oil and gas producing activities | (77) | (1,475) | (530)
Worldwide [member] |  |  |
Disclosure Of Oil And Gas Producing Activities [line items] |  |  |
Net sales to unaffiliated parties | 2,425 | 2,069 | 3,085
Net intersegment sales | 289,421 | 286,585 | 207,480
Total net revenues | 291,846 | 288,654 | 210,565
Production costs | (193,331) | (164,804) | (114,381)
Exploration expenses | (5,857) | (6,779) | (5,409)
Depreciation of property, plant and equipment; intangible and right-of-use assets | (137,204) | (125,957) | (72,044)
Impairment of Property, plant and equipment | 7,475 | (40,561) | 2,900
Other | 1,120 | (6,625) | (3,007)
Pre-tax income (loss) from producing activities | (35,951) | (56,072) | 18,624
Income tax expense / benefit | 10,791 | 16,671 | (5,587)
Results of oil and gas producing activities | $ (25,160) | $ (39,401) | $ 13,037

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