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Investments in Joint Operations - Information of Assets and Liabilities (Detail) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of joint operations [line items]      
Non-current assets $ 1,923,825 $ 1,595,656 $ 1,263,868
Current assets 466,243 327,569 309,421
Total assets 2,390,068 1,923,225 1,573,289
Non-current liabilities 1,150,872 869,161 710,318
Current liabilities 391,078 370,669 314,872
Total liabilities 1,541,950 1,239,830 1,025,190
Exploration expenses 2,604 5,846 6,841
Joint Ventures [member]      
Disclosure of joint operations [line items]      
Non-current assets 358,863 282,381 221,219
Current assets 11,629 6,122 8,723
Total assets 370,492 288,503 229,942
Non-current liabilities 27,672 21,136 17,754
Current liabilities 36,564 21,574 27,641
Total liabilities 64,236 42,710 45,395
Production cost 135,238 87,322 70,552
Exploration expenses $ 306 $ 265 $ 123