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Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning $ 461,022 $ 463,949 $ 330,664
Provisions established 307,514 531,577 453,914
Application of provisions (376,503) (429,917) (80,768)
Provisions released (106,743) (107,435) (240,708)
Other (1,319) 2,848 847
Balance at ending 283,971 461,022 463,949
Personnel salaries and expenses [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 99,424 109,001 102,958
Provisions established 72,090 121,779 90,363
Application of provisions (72,840) (132,340) (80,768)
Provisions released (15,474) (1,748) (1,836)
Other (1,293) 2,732 (1,716)
Balance at ending 81,907 99,424 109,001
Lawsuit and litigations [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 5,533 3,035 2,411
Provisions established 556 2,963 624
Application of provisions (1,585) (465)  
Provisions released
Other
Balance at ending 4,504 5,533 3,035
Loyalty programme [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 38 38 38
Provisions established  
Application of provisions
Provisions released
Other
Balance at ending 38 38 38
Operational risks [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 5,149 1,578
Provisions established 1,254 4,053 1,578
Application of provisions (3,410) (482)
Provisions released
Other
Balance at ending 2,993 5,149 1,578
Contingencies [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 63,232 52,205 32,726
Provisions established 2,133 24,365 30,413
Application of provisions (45,974) (13,338)
Provisions released   (10,934)
Other
Balance at ending 19,391 63,232 52,205
Mandatory Dividend [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 237,683 252,740 164,284
Provisions established 148,921 237,683 252,740
Application of provisions (237,683) (252,740)
Provisions released   (164,284)
Other
Balance at ending 148,921 237,683 252,740
Interest of perpetual bonds [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 4,966 4,995
Provisions established 15,157 30,523 4,995
Application of provisions (15,011) (30,552)
Provisions released
Other
Balance at ending 5,112 4,966 4,995
Contingent loan [Member]      
Provisions and Contingent Provisions (Details) - Schedule of Activity Regarding Provisions [Line Items]      
Balance at beginning 44,997 40,357 28,247
Provisions established 67,403 110,211 73,201
Application of provisions
Provisions released (91,269) (105,687) (63,654)
Other (26) 116 2,563
Balance at ending $ 21,105 $ 44,997 $ 40,357