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Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning $ 283,971 $ 461,022 $ 463,949
Provisions established 981,238 307,514 531,577
Application of provisions (470,332) (376,503) (429,917)
Provisions released (49,140) (106,743) (107,435)
Other 765 (1,319) 2,848
Balance at ending 746,502 283,971 461,022
Personnel salaries and expenses      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 81,907 99,424 109,001
Provisions established 64,377 72,090 121,779
Application of provisions (72,541) (72,840) (132,340)
Provisions released (200) (15,474) (1,748)
Other 0 (1,293) 2,732
Balance at ending 73,543 81,907 99,424
Restructuring plans      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 0 0 0
Provisions established 20,508 0 0
Application of provisions (16,183) 0 0
Provisions released 0 0 0
Other 0 0 0
Balance at ending 4,325 0 0
Lawsuit and litigations      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 4,504 5,533 3,035
Provisions established 4,750 556 2,963
Application of provisions (3,159) (1,585) (465)
Provisions released (2,252) 0 0
Other 85 0 0
Balance at ending 3,928 4,504 5,533
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 2,993 5,149 1,578
Provisions established 2,493 1,254 4,053
Application of provisions (378) (3,410) (482)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 5,108 2,993 5,149
Contingencies      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 19,391 63,232 52,205
Provisions established 20,893 2,133 24,365
Application of provisions (5,254) (45,974) (13,338)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 35,030 19,391 63,232
Mandatory Dividend      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 148,921 237,683 252,740
Provisions established 798,892 148,921 237,683
Application of provisions (347,483) (237,683) (252,740)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 600,330 148,921 237,683
Interest of perpetual bonds      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 5,112 4,966 4,995
Provisions established 26,033 15,157 30,523
Application of provisions (25,334) (15,011) (30,552)
Provisions released 0 0 0
Other 0 0 0
Balance at ending 5,811 5,112 4,966
Contingent loan      
Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 21,105 44,997 40,357
Provisions established 43,292 67,403 110,211
Application of provisions 0 0
Provisions released (46,688) (91,269) (105,687)
Other 680 (26) 116
Balance at ending $ 18,389 $ 21,105 $ 44,997