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Other Liabilities - Details of Other Liabilities (Detail) - ARS ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current      
Extension of concessions $ 711 $ 593 $ 436
Liabilities for contractual claims 7,250 59 41
Miscellaneous 1,101 658 245
Total, other current liabilities 9,062 1,310 722
Noncurrent      
Extension of concessions 710 529 348
Liabilities for contractual claims 2,250 170 175
Miscellaneous 1 4 26
Total, other noncurrent liabilities $ 2,961 $ 703 $ 549