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Expected Credit Losses Allowance (Details) - Schedule of expected credit losses - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans $ 140,332 [1] $ 290,691 $ (140,245)
Mortgage loans 35,749 [1] 18,273 (14,412)
Consumer loans 107,154 [1] 161,576 (169,483)
Contingent loans 8,658 [1] 5,789 1,008
Loans and account receivable at FVOCI (1,086) [1] 1,253 5
Debt at FVOCI (435) [1] 682 (184)
Debt at amortized cost 711    
Total 291,083 [1] 478,264 (323,311)
Corporate [Member] | Stage 1 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans 1,469 [1] 20,055 (3,002)
Mortgage loans  
Consumer loans  
Contingent loans 1,088 [1] 1,335 45
Loans and account receivable at FVOCI (1,086) [1] 1,253 5
Debt at FVOCI  
Total 1,471 [1] 22,643 (2,952)
Corporate [Member] | Stage 2 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans 25,829 [1] 35,861 (10,469)
Mortgage loans  
Consumer loans  
Contingent loans 4,098 [1] 1,624 10
Loans and account receivable at FVOCI  
Debt at FVOCI  
Total 29,927 [1] 37,485 (10,459)
Corporate [Member] | Stage 3 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans 51,897 [1] 115,730 (79,501)
Mortgage loans  
Consumer loans  
Contingent loans (360) [1] (14) 152
Loans and account receivable at FVOCI  
Debt at FVOCI  
Total 51,537 [1] 115,716 (79,349)
Others [Member] | Stage 1 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans (2,676) [1],[2] 9,617 [2] (4,930)
Mortgage loans 357 [1],[2] 16,603 [2] (1,177)
Consumer loans 35,532 [1],[2] 19,024 [2] (8,875)
Contingent loans 6,070 [1],[2] (1,600) [2] 589
Loans and account receivable at FVOCI   [2]
Debt at FVOCI (435) [1],[2] 682 [2] (184)
Debt at amortized cost [2] 711    
Total 39,558 [1],[2] 44,326 [2] (14,577)
Others [Member] | Stage 2 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans 415 [1] 23,410 (8,686)
Mortgage loans 3,903 [1] (5,966) (4,998)
Consumer loans 6,193 [1] (18,914) (15,280)
Contingent loans (1,920) [1] 4,023 24
Loans and account receivable at FVOCI  
Debt at FVOCI  
Total 8,591 [1] 2,552 (28,940)
Others [Member] | Stage 3 [Member]      
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items]      
Commercial loans 63,398 [1] 86,018 (33,657)
Mortgage loans 31,489 [1] 7,636 (8,237)
Consumer loans 65,429 [1] 161,466 (145,328)
Contingent loans (318) [1] 423 188
Loans and account receivable at FVOCI  
Debt at FVOCI  
Total $ 159,999 [1] $ 255,543 $ (187,034)
[1] Includes overlays for an amount of MCh$59,000. See Note 38, Risk management.
[2] Includes Mortgages, Consumer and Other Commercial loans.