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Capital Management, Corporate Governance Transparency Policy and Risk Management - Summary of Contractual Cash Flows and Other Financing (Detail) - ARS ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | $ 3,051,134 | $ 8,588,688
Financial sector | 1,952,154 | 3,507,437
Non financial private sector and foreign residents | 481,026,434 | 515,830,203
Total | 486,029,722 | 527,926,328
Matured [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial private sector and foreign residents | 1,513,354 | 1,976,809
Total | 1,513,354 | 1,976,809
Not later than one month [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | 231,864 | 362,355
Financial sector | 255,723 | 110,435
Non financial private sector and foreign residents | 134,882,819 | 142,739,326
Total | 135,370,406 | 143,212,116
Not later than three months [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | 623,940 | 1,071,367
Financial sector | 666,131 | 552,608
Non financial private sector and foreign residents | 42,295,994 | 46,419,093
Total | 43,586,065 | 48,043,068
Later than three months and not later than six months [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | 486,951 | 1,089,986
Financial sector | 37,420 | 818,840
Non financial private sector and foreign residents | 48,311,345 | 63,310,427
Total | 48,835,716 | 65,219,253
Later than six months and not later than one year [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | 1,230,632 | 1,966,318
Financial sector | 129,864 | 507,516
Non financial private sector and foreign residents | 63,794,903 | 74,731,191
Total | 65,155,399 | 77,205,025
Over 12 months and up to 24 months [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector | 477,747 | 3,381,410
Financial sector | 728,954 | 1,518,038
Non financial private sector and foreign residents | 75,301,928 | 71,044,263
Total | 76,508,629 | 75,943,711
Later than two years [member] |  |
Disclosure Of Liquidity Risk [line items] |  |
Non financial government sector |  | 717,252
Financial sector | 134,062 |
Non financial private sector and foreign residents | 114,926,091 | 115,609,094
Total | $ 115,060,153 | $ 116,326,346

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