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Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning $ 463,949 $ 330,664 $ 326,130
Provisions established 531,577 453,914 280,619
Application of provisions (429,917) (80,768) (72,225)
Provisions released (107,435) (240,708) (203,862)
Other 2,848 847 2
Balance at ending 461,022 463,949 330,664
Personnel salaries and expenses [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 109,001 102,958 99,500
Provisions established 121,779 90,363 75,891
Application of provisions (132,340) (80,768) (70,676)
Provisions released (1,748) (1,836) (1,759)
Other 2,768 (1,716) 2
Balance at ending 99,424 109,001 102,958
Lawsuit and litigations [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 3,035 2,411 3,104
Provisions established 2,963 624 856
Application of provisions (465) (1,549)
Provisions released
Other
Balance at ending 5,533 3,035 2,411
Loyalty programme [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 38 38
Provisions established 38
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 1,578
Provisions established 4,053 1,578
Application of provisions (482)
Provisions released
Other
Balance at ending 5,149 1,578
Contingencies [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 52,205 32,726 14,559
Provisions established 24,365 30,413 24,867
Application of provisions (13,578)
Provisions released (10,934) (6,700)
Other
Balance at ending 63,232 52,205 32,726
Mandatory Dividend [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 252,740 164,284 185,727
Provisions established 237,683 252,740 164,284
Application of provisions (252,740)
Provisions released (164,284) (185,727)
Other
Balance at ending 237,683 252,740 164,284
Interest of perpetual bonds [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 4,995
Provisions established 30,523 4,995
Application of provisions (30,552)
Provisions released
Other
Balance at ending 4,966 4,995
Contingent loan [Member]      
Provisions and Contingent Provisions (Details) - Schedule of activity regarding provisions [Line Items]      
Balance at beginning 40,357 28,247 23,240
Provisions established 110,211 73,201 14,683
Application of provisions
Provisions released (105,687) (63,654) (9,676)
Other 116 2,563
Balance at ending $ 44,997 $ 40,357 $ 28,247