v3.25.1
Equity Investments in Subsidiaries, Associates and Joint Ventures - Summary of Materialized Transfers (Details) - shares
Dec. 26, 2024
Dec. 06, 2024
Disclosure of subsidiaries [line items]    
Number of shares issued (in shares)   739,572,218,000
GGAL Holdings S.A., GGAL Participaciones S.A.U., And Banco GGAL S.A. | Banco de Galicia y Bs.As. S.A.U.    
Disclosure of subsidiaries [line items]    
Percentage of equity investments   57.89%
GGAL Holdings S.A., GGAL Participaciones S.A.U., And Banco GGAL S.A. | Grupo Financiero Galicia S.A.    
Disclosure of subsidiaries [line items]    
Percentage of equity investments   42.11%
GGAL Holdings S.A.    
Disclosure of subsidiaries [line items]    
Number of shares issued (in shares)   1,184,364,392
Total shares acquired 3,997,362 1,180,367,030
GGAL Holdings S.A. | Banco de Galicia y Bs.As. S.A.U.    
Disclosure of subsidiaries [line items]    
Total shares acquired   683,314,474
Percentage of equity investments   57.695%
GGAL Holdings S.A. | Grupo Financiero Galicia S.A.    
Disclosure of subsidiaries [line items]    
Total shares acquired   497,052,556
Percentage of equity investments   41.968%
GGAL Participaciones S.A.U.    
Disclosure of subsidiaries [line items]    
Number of shares issued (in shares)   11,513,929
Total shares acquired   65,222
GGAL Participaciones S.A.U. | Banco de Galicia y Bs.As. S.A.U.    
Disclosure of subsidiaries [line items]    
Total shares acquired   37,757
Percentage of equity investments   0.328%
GGAL Participaciones S.A.U. | Grupo Financiero Galicia S.A.    
Disclosure of subsidiaries [line items]    
Total shares acquired   27,465
Percentage of equity investments   0.239%
Banco GGAL S.A.    
Disclosure of subsidiaries [line items]    
Number of shares issued (in shares)   1,244,125,589
Total shares acquired   103,739
Banco GGAL S.A. | Banco de Galicia y Bs.As. S.A.U.    
Disclosure of subsidiaries [line items]    
Total shares acquired   60,055
Percentage of equity investments   0.005%
Banco GGAL S.A. | Grupo Financiero Galicia S.A.    
Disclosure of subsidiaries [line items]    
Total shares acquired   43,684
Percentage of equity investments   0.004%