v3.25.1
Financial Instruments - Schedule of Portfolios of Financial Instruments (Detail) - ARS ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss $ 1,637,926,982 $ 1,415,695,020
Deposits    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 20,231,127,931 13,494,564,030
Fair Value through OCI 0 0
Liabilities at fair value through profit or loss    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 9,777,215 116,994,621
Amortized Cost 0 0
Fair Value through OCI 0 0
Derivative Financial Instruments    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 8,329,699 28,935,340
Amortized Cost 0 0
Fair Value through OCI 0 0
Repurchase Transactions    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 423,095,210 55,196,186
Fair Value through OCI 0 0
Other Financial Liabilities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 3,868,112,993 3,010,456,587
Fair Value through OCI 0 0
Financing Received from the Argentine Central Bank and Other Financial Institutions    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 479,636,814 326,569,454
Fair Value through OCI 0 0
Debt Securities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 1,096,011,970 219,201,761
Fair Value through OCI 0 0
Subordinated Debt Securities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 288,917,745 486,118,312
Fair Value through OCI 0 0
Cash and Due from Banks    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 7,322,813,233 4,718,751,562
Fair Value through OCI 0 0
Argentine Central Bank's Notes    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 2,816,801  
Amortized Cost 0  
Fair Value through OCI 0  
Argentine Central Bank's Bills    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss   0
Amortized Cost   747,855,732
Fair Value through OCI   0
Government Securities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 1,495,259,889 1,354,304,553
Amortized Cost 0 0
Fair Value through OCI 0 0
Corporate Securities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 139,850,292 61,390,467
Amortized Cost 0 0
Fair Value through OCI 0 0
Derivative Financial Instruments    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 4,517,903 83,434,721
Amortized Cost 0 0
Fair Value through OCI 0 0
Repurchase Transactions    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss   0
Amortized Cost   2,766,551,954
Fair Value through OCI   0
Other Financial Assets    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 362,003,761 116,559,022
Amortized Cost 1,523,168,636 304,520,556
Fair Value through OCI 0 0
Loans and Other Financing    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 26,974,180 0
Amortized Cost 15,594,049,791 7,283,530,406
Fair Value through OCI 0 0
Other Debt Securities    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 0 0
Amortized Cost 2,367,129,719 3,756,036,515
Fair Value through OCI 2,497,532,441 50,425,275
Financial Assets Pledged as Collateral    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 18,252,814 85,241,078
Amortized Cost 1,452,094,178 935,063,901
Fair Value through OCI 141,270,393 0
Investments in Equity Instruments    
Disclosure of detailed information about financial instruments [line items]    
Fair Value through Profit or Loss 45,693,300 22,785,410
Amortized Cost 0 0
Fair Value through OCI $ 0 $ 0