v3.25.4
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning $ 746,502 $ 283,971 $ 461,022
Provisions established 889,898 981,238 307,514
Application of provisions (730,167) (470,332) (376,503)
Provisions released (67,118) (49,140) (106,743)
Other (667) 765 (1,319)
Balance at ending 838,448 746,502 283,971
Personnel salaries and expenses      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 73,543 81,907 99,424
Provisions established 88,402 64,377 72,090
Application of provisions (85,660) (72,541) (72,840)
Provisions released 0 (200) (15,474)
Other 0 0 (1,293)
Balance at ending 76,285 73,543 81,907
Restructuring plans      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 4,325 0 0
Provisions established 8,013 20,508 0
Application of provisions (7,438) (16,183) 0
Provisions released 0 0 0
Other 0 0 0
Balance at ending 4,900 4,325 0
Lawsuit and litigations      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 3,928 4,504 5,533
Provisions established 3,005 4,750 556
Application of provisions (2,053) (3,159) (1,585)
Provisions released (930) (2,252) 0
Other (17) 85 0
Balance at ending 3,933 3,928 4,504
Loyalty programme      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 38 38 38
Provisions established 0 0
Application of provisions 0 0
Provisions released 0 0 0
Other 0 0 0
Balance at ending 38 38 38
Operational risks      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 5,108 2,993 5,149
Provisions established 7,529 2,493 1,254
Application of provisions (3,771) (378) (3,410)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 8,866 5,108 2,993
Contingencies      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 35,030 19,391 63,232
Provisions established 40,683 20,893 2,133
Application of provisions (481) (5,254) (45,974)
Provisions released (122) 0 0
Other 0 0 0
Balance at ending 75,110 35,030 19,391
Mandatory Dividend      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 600,330 148,921 237,683
Provisions established 631,931 798,892 148,921
Application of provisions (600,336) (347,483) (237,683)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 631,925 600,330 148,921
Interest of perpetual bonds      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 5,811 5,112 4,966
Provisions established 29,882 26,033 15,157
Application of provisions (30,428) (25,334) (15,011)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 5,265 5,811 5,112
Contingent loan      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 18,389 21,105 44,997
Provisions established 80,453 43,292 67,403
Application of provisions 0 0
Provisions released (66,066) (46,688) (91,269)
Other (650) 680 (26)
Balance at ending $ 32,126 $ 18,389 $ 21,105