v3.26.1
Investments in Other Companies - Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures (Details) - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Centro de Compensación Automatizado S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets $ 11,318 $ 13,958
Non-current assets 11,014 9,462
Total Assets 22,332 23,420
Current liabilities 3,816 3,585
Non-current liabilities 229 43
Total Liabilities 4,045 3,628
Equity 18,287 19,792
Non-controlling interest
Total Liabilities and Equity 22,332 23,420
Operating income 23,082 21,282
Operating expenses (15,635) (14,545)
Other income (expenses) 602 741
Income before tax 8,049 7,478
Income tax (2,027) (1,853)
Income for the year 6,022 5,625
Sociedad Operadora de la Cámara de Compensación de Pagos de Alto Valor S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 1,948 1,737
Non-current assets 9,512 8,223
Total Assets 11,460 9,960
Current liabilities 1,599 1,120
Non-current liabilities 259 384
Total Liabilities 1,858 1,504
Equity 9,602 8,456
Non-controlling interest
Total Liabilities and Equity 11,460 9,960
Operating income 7,748 6,651
Operating expenses (6,054) (5,843)
Other income (expenses) 364 390
Income before tax 2,058 1,198
Income tax (477) (231)
Income for the year 1,581 967
Sociedad Interbancaria de Depósito de Valores S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 113 60
Non-current assets 11,382 10,036
Total Assets 11,495 10,096
Current liabilities 608 551
Non-current liabilities
Total Liabilities 608 551
Equity 10,887 9,545
Non-controlling interest
Total Liabilities and Equity 11,495 10,096
Operating income 2 9
Operating expenses (54) (54)
Other income (expenses) 2,045 1,848
Income before tax 1,993 1,803
Income tax
Income for the year 1,993 1,803
Redbanc S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 17,683 15,347
Non-current assets 12,516 14,062
Total Assets 30,199 29,409
Current liabilities 12,896 13,366
Non-current liabilities 108 1,932
Total Liabilities 13,004 15,298
Equity 17,195 14,111
Non-controlling interest
Total Liabilities and Equity 30,199 29,409
Operating income 63,621 60,139
Operating expenses (59,339) (58,167)
Other income (expenses) 137 234
Income before tax 4,419 2,206
Income tax (1,064) (467)
Income for the year 3,355 1,739
Transbank S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 1,510,782 1,814,213
Non-current assets 126,168 161,533
Total Assets 1,636,950 1,975,746
Current liabilities 1,437,807 1,811,753
Non-current liabilities 29,243 17,176
Total Liabilities 1,467,050 1,828,929
Equity 169,900 146,817
Non-controlling interest
Total Liabilities and Equity 1,636,950 1,975,746
Operating income 895,308 888,114
Operating expenses (725,117) (722,391)
Other income (expenses) (142,240) (154,142)
Income before tax 27,951 11,581
Income tax (5,853) (1,736)
Income for the year 22,098 9,845
Administrador Financiero del Transantiago S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 62,043 58,605
Non-current assets 814 887
Total Assets 62,857 59,492
Current liabilities 51,445 46,985
Non-current liabilities 1,659 2,371
Total Liabilities 53,104 49,356
Equity 9,753 10,136
Non-controlling interest
Total Liabilities and Equity 62,857 59,492
Operating income 5,236 5,023
Operating expenses (2,654) (2,541)
Other income (expenses) 696 1,424
Income before tax 3,278 3,906
Income tax (773) (855)
Income for the year 2,505 3,051
Servicios de Infraestructura de Mercado OTC S.A. [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 23,022 11,562
Non-current assets 12,510 11,538
Total Assets 35,532 23,100
Current liabilities 19,976 7,285
Non-current liabilities 536 748
Total Liabilities 20,512 8,033
Equity 15,011 15,058
Non-controlling interest 9 9
Total Liabilities and Equity 35,532 23,100
Operating income 8,782 8,979
Operating expenses (9,302) (8,557)
Other income (expenses) 741 1,002
Income before tax 221 1,424
Income tax 34 (202)
Income for the year 255 1,222
Joint Ventures Servipag Ltda [Member]    
Schedule of Total Carrying Amount of the Bank's Associates and Joint Ventures [Line Items]    
Current assets 75,456 101,289
Non-current assets 19,150 21,034
Total Assets 94,606 122,323
Current liabilities 69,469 98,808
Non-current liabilities 5,748 6,999
Total Liabilities 75,217 105,807
Equity 19,389 16,516
Non-controlling interest
Total Liabilities and Equity 94,606 122,323
Operating income 42,073 44,161
Operating expenses (39,118) (40,929)
Other income (expenses) 839 1,185
Income before tax 3,794 4,417
Income tax (920) (1,066)
Income for the year $ 2,874 $ 3,351