v3.25.1
Debt Securities - Summary of Unsubordinated Debt Securities Outstanding Issued Under the Global Programs (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2024
ARS ($)
Dec. 31, 2023
ARS ($)
Dec. 31, 2024
USD ($)
Dec. 06, 2024
ARS ($)
Dec. 06, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Debt Securities $ 1,096,011,970 $ 219,201,761        
Grupo Financiero Galicia S.A.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Debt Securities $ 997,453,190 182,469,262        
Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 250,000      
Term 120 months          
XIV | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value $ 44,640,963          
Term 6 months          
Rate 4.50%   4.50%      
Debt Securities $ 49,237,385          
XV | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value $ 42,106,850          
Term 6 months          
Rate 3.95%   3.95%      
Debt Securities $ 50,411,430          
XVIII | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value $ 23,476,247          
Term 147 days          
Rate 3.00%   3.00%      
Debt Securities $ 25,062,331          
XX | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 35,088,750      
Term 12 months          
Rate 2.70%   2.70%      
Debt Securities $ 34,776,605          
LXI | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value $ 35,000,000          
Term 366 days          
Rate 3.50%   3.50%      
Debt Securities $ 39,366,856          
LXII | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value $ 35,000,000          
Term 270 days          
Rate 5.50%   5.50%      
Debt Securities $ 32,631,030          
XVI | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 325,000      
Term 48 months          
Rate 7.75%   7.75%      
Debt Securities     $ 365,522,460      
XVII | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 83,478      
Term 177 days          
Rate 2.00%   2.00%      
Debt Securities     $ 92,525,950      
XIX | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 97,749      
Term 6 months          
Rate 4.25%   4.25%      
Debt Securities     $ 108,666,563      
LXIII | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value     $ 179,163      
Term 367 days          
Rate 6.25%   6.25%      
Debt Securities     $ 199,252,580      
Global Program for Issuance of Unsubordinated Negotiable Obligations Class Six | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Term 6 months          
Green Bond            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Debt Securities $ 7,582,816 36,732,499        
Negotiable Obligation | Grupo Financiero Galicia S.A.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Debt Securities       $ 90,975,964 $ 81,158  
LI Serie II | Banco de Galicia y Bs.As. S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 3,284,942        
Term   730 days        
Rate   6.00%       6.00%
Debt Securities   $ 6,508,945        
LIII Serie II | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 4,192,612        
Term   730 days        
Rate   5.25%       5.25%
Debt Securities   $ 8,808,157        
LIV Serie II | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 4,779,859        
Term   730 days        
Rate   4.99%       4.99%
Debt Securities   $ 14,600,241        
LV Serie II | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 10,141,234        
Term   548 days        
Rate   3.00%       3.00%
Debt Securities   $ 14,648,626        
LVII | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 12,512,200        
Term   365 days        
Rate   4.50%       4.50%
Debt Securities   $ 26,312,159        
LVIII | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 12,214,678        
Term   366 days        
Rate   5.00%       5.00%
Debt Securities   $ 10,973,076        
LIX | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 12,072,087        
Term   366 days        
Rate   5.00%       5.00%
Debt Securities   $ 29,497,346        
LX | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value   $ 27,381,323        
Term   366 days        
Rate   5.00%       5.00%
Debt Securities   $ 56,654,197        
LII | Tarjeta Naranja S.A.U.            
Disclosure of subordinated Debt Securities Outstanding [Line Items]            
Face Value           $ 7,500
Term   770 days        
Rate   5.00%       5.00%
Debt Securities           $ 14,466,515