v3.25.1
DEBT SECURITIES - Summary of Repurchases of Own Debt Securities (Detail)
$ in Thousands, $ in Thousands
Mar. 31, 2025
ARS ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
ARS ($)
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Debt Securities $ 1,061,434,677   $ 1,096,011,970
Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Debt Securities 21,365,820   11,390,192
Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value   $ 250,000  
XVI | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 325,000   325,000
Debt Securities 357,124,259   365,522,460
XVI | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 535,985    
Debt Securities 689,443    
XVI | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     311
Debt Securities     424,643
XIX | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 97,749   97,749
Debt Securities 105,054,864   108,666,563
XIX | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 196,095    
Debt Securities 207,918    
XIX | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     881
Debt Securities     1,150,977
XXII | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 73,823    
Debt Securities 79,046,404    
XXII | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 157,275    
Debt Securities 618,498    
LXIII | Tarjeta Naranja S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 179,163   179,163
Debt Securities 192,075,700   199,252,580
LXIII | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 315,115   848
Debt Securities 341,708   1,107,952
LXII | Tarjeta Naranja S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 30,000,000   35,000,000
Debt Securities 29,960,214   32,631,030
LXII | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 1,027,871   1,027,871
Debt Securities 1,060,422   1,163,427
XX | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 35,088,750   35,088,750
Debt Securities 33,185,352   34,776,605
XX | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 2,250,000    
Debt Securities 2,169,990    
XX | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     2,250,000
Debt Securities     2,442,805
XXI | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 79,786,900    
Debt Securities 80,289,309    
XXI | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 2,828,000    
Debt Securities 2,947,624    
XVII | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 83,478   83,478
Debt Securities 86,016,916   92,525,950
XVII | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 4,000    
Debt Securities 4,443,875    
XVII | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     1,231
Debt Securities     1,617,398
XXIII | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 69,887    
Debt Securities 66,298,515    
XXIII | Banco de Galicia y Buenos Aires S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value 8,250    
Debt Securities $ 8,886,342    
XIV | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     44,640,963
Debt Securities     49,237,385
XIV | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     1,700,000
Debt Securities     2,009,480
XV | Banco de Galicia y Buenos Aires S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     42,106,850
Debt Securities     50,411,430
XV | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     330,000
Debt Securities     424,380
LXI | Tarjeta Naranja S.A.U.      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     35,000,000
Debt Securities     39,366,856
LXI | Tarjeta Naranja S.A.U. | Own debt securities repurchases      
Disclosure of Unsubordinated Negotiable Obligations Outstanding [Line Items]      
Face Value     854,376
Debt Securities     $ 1,049,130