v3.25.1
Additional Information Required by the Argentine Central Bank - Additional Information 2 (Detail) - ARS ($)
 12 Months Ended
Feb. 03, 2025
Feb. 20, 2024
Dec. 31, 2022
Dec. 17, 2020
Nov. 17, 2020
Dec. 31, 2024
Dec. 31, 2023
Dec. 06, 2024
Dec. 05, 2024
Oct. 17, 2024
Aug. 20, 2024
Dec. 31, 2021
Disclosure of additional information [line items]                        
Net worth     $ 4,482,320,552,000     $ 6,583,353,242,000 $ 4,769,249,798,000         $ 4,366,546,223,000
Instruments held in custody           $ 47,523,085,445,000 40,642,409,535,000          
Public sector risk level in excess           0.05%            
Percentage of regulatory capital           2.50%            
Percentage of individual computable regulatory capital           1.00%            
Issued capital, ordinary shares           $ 1,244,126            
Par value per share (in dollars per share)           $ 1     $ 1 $ 1 $ 1  
Number of shares issued (in shares)               739,572,218,000        
Class A ordinary shares                        
Disclosure of additional information [line items]                        
Number of shares issued (in shares)           852,117,003            
Class B ordinary shares                        
Disclosure of additional information [line items]                        
Number of shares issued (in shares)           392,008,586            
UIF Summary Proceeding | Commencement of major litigation                        
Disclosure of additional information [line items]                        
Losses on litigation settlements $ 18,269,000                      
UIF Summary Proceeding, Bank | Commencement of major litigation                        
Disclosure of additional information [line items]                        
Losses on litigation settlements $ 9,135,000                      
Summary CNV No. 87/2024                        
Disclosure of additional information [line items]                        
Losses on litigation settlements   $ 23,072,000,000       $ 28,837,892,000            
Allowed option exercise   $ 113,000,000                    
Summary No.1426                        
Disclosure of additional information [line items]                        
Losses on litigation settlements           945,000,000            
Summary UIF Expt. No.174/15                        
Disclosure of additional information [line items]                        
Losses on litigation settlements         $ 550,000              
Summary CNV No.631/2014                        
Disclosure of additional information [line items]                        
Losses on litigation settlements       $ 500,000                
Escrow Agent                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           1,341,706,000            
Minimum required shareholders offsetting entry           670,853,000            
Alync And AN Integral                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           664,286,000            
Minimum required shareholders offsetting entry           332,142,000            
Treasury bills           2,271,049,000            
Treasury bills, fair value           1,939,479,000            
Galicia Securities S.A.U.                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           40,672,994,000            
Minimum required shareholders offsetting entry           $ 332,143,000            
Required shareholders equity shares           470,350,000            
Net worth           $ 40,672,995,000 26,769,878,000          
Minimum equity requirement act as agent           230,915,000            
Minimum required equity act as agent off setting entry           115,458,000            
Required government securities amount           516,789,000            
INVIU S.A.U.                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           10,025,529,000            
Minimum required shareholders offsetting entry           $ 332,143,000            
Required shareholders equity shares           470,350,000            
Net worth           $ 10,025,530,000 18,322,634,000          
Minimum equity requirement act as agent           230,915,000            
Minimum required equity act as agent off setting entry           115,458,000            
Offsetting entry           1,019,748,000            
Banco de Galicia y Bs.As. S.A.U.                        
Disclosure of additional information [line items]                        
Net worth           4,773,801,101,000 3,904,459,061,000          
Instruments held in custody           $ 7,759,995,874,000 $ 8,236,870,699,000          
Securities held in custody in units           104,969,157,902 83,582,052,338          
Banco Galicia                        
Disclosure of additional information [line items]                        
Legal reserve           20.00%            
Percentage of profit shown in income statement           20.00%            
Grupo Financiero Galicia S.A.                        
Disclosure of additional information [line items]                        
Percentage of net income transferred           5.00%            
Legal reserve           20.00%            
Argentine Central Bank                        
Disclosure of additional information [line items]                        
Minimum capital requirement           3.50%            
Percentage of accumulated income           40.00%            
Profit loss recorded in equity           $ 1,618,596,208,000            
Percentage of constitution to Legal Reserve           5.00%            
Payment of a cash dividend           $ 88,000,000,000            
Additional cash dividend subject to approval and conditions           300,000,000,000            
Tarjeta Naranja S.A.U.                        
Disclosure of additional information [line items]                        
Net worth           $ 723,655,949,000 $ 559,981,566,000          
Dividend rate           25.00%            
Minimum capital requirement     $ 112,666,306,000     $ 300,000,000            
GGAL Asset Management S.A. S.G.F.C.I.                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           9,345,622,000            
Net worth           19,375,937,000            
Minimum equity requirement act as agent           692,038,000            
Minimum required equity act as agent off setting entry           346,018,000            
GGAL Asset Management S.A. S.G.F.C.I. | HF Pesos Plus Class I                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           $ 8,675,491,000            
Required shareholders equity shares           36,789,288,310            
GGAL Asset Management S.A. S.G.F.C.I. | HF Pesos Class I                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           $ 670,131,000            
Required shareholders equity shares           8,203,562,470            
Banco GGAL S.A.                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           $ 664,286,000            
Required shareholders equity shares           470,350,000            
Net worth, complying with minimum requirement set forth by CNV           $ 1,572,204,867,000            
Net worth           1,608,355,365,000            
Instruments held in custody           $ 1,721,273,435,000            
Securities held in custody in units           72,706,042,952            
Banco GGAL S.A. | Pesos And Other Currencies                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           $ 134,275,000            
Banco GGAL S.A. | Assets In Local Instruments                        
Disclosure of additional information [line items]                        
Required shareholders equity amount           197,867,000            
Galicia Asset Management S.A.U.                        
Disclosure of additional information [line items]                        
Minimum required shareholders offsetting entry           783,839,000            
Minimum equity requirement act as agent           1,567,677,000            
Galicia Asset Management S.A.U. | Fondo Fima Mix I C                        
Disclosure of additional information [line items]                        
Minimum required shareholders offsetting entry           $ 817,950,000            
Minimum offsetting entry shares           16,000,000