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Maturity of Financial Assets and Liabilities (Details) - CLP ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Disclosure of financial assets [line items]    
Total financial assets $ 50,574,714 $ 39,132,512
Total financial liabilities 47,096,211 35,887,052
Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 226,358 215,400
Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 9,500,723 8,115,233
Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,519,818 1,788,626
Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 7,390,654 2,517,728
Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 13,192,817 13,067,819
Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 380,055 48,545
Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 198,248 163,043
Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 10,297,432 8,741,417
Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial assets  
Total financial liabilities   540,091
More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 30,446,884 21,904,863
Total financial liabilities 14,065,558 9,585,981
More Than 1 Year [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 325 9,529
More Than 1 Year [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 7,411,371 7,258,671
More Than 1 Year [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 390,173 139,671
More Than 1 Year [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 5,588,396 1,916,438
More Than 1 Year [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 542,860 261,672
More Than 1 Year [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
More Than 1 Year [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
More Than 1 Year [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial assets  
Total financial liabilities  
More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 7,113,548 5,461,385
Total financial liabilities 5,610,834 5,633,116
More Than 3 Months To 1 Year [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 28,888 22,844
More Than 3 Months To 1 Year [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 1,044,674 745,830
More Than 3 Months To 1 Year [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 1,141,824 1,188,692
More Than 3 Months To 1 Year [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 951,684 349,551
More Than 3 Months To 1 Year [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,417,703 3,326,199
More Than 3 Months To 1 Year [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
More Than 3 Months To 1 Year [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
More Than 3 Months To 1 Year [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
More Than 3 Months To 1 Year [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 16,464,103 11,877,024
Total financial liabilities 6,200,485 4,290,707
Due After 5 Years [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 143 176
Due After 5 Years [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,974,229 3,277,079
Due After 5 Years [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due After 5 Years [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 3,154,168 949,464
Due After 5 Years [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 21,883 63,988
Due After 5 Years [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due After 5 Years [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due After 5 Years [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due After 5 Years [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 6,202,554 3,808,562
Total financial liabilities 3,425,090 2,027,157
Later than three years and not later than five years [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 99 92
Later than three years and not later than five years [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,042,292 1,549,743
Later than three years and not later than five years [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,237
Later than three years and not later than five years [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 1,180,948 471,185
Later than three years and not later than five years [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 163,121 6,137
Later than three years and not later than five years [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later than three years and not later than five years [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later than three years and not later than five years [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later than three years and not later than five years [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 7,780,227 6,219,277
Total financial liabilities   3,268,117
Between 1 and 3 years [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 30,969 9,261
Between 1 and 3 years [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,394,850 2,431,849
Between 1 and 3 years [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 387,936 139,671
Between 1 and 3 years [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 1,253,280 495,789
Between 1 and 3 years [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 357,856 191,547
Between 1 and 3 years [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Between 1 and 3 years [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Between 1 and 3 years [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Between 1 and 3 years [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 18,944,561 16,539,128
Total financial liabilities   25,611,921
Due Within 1 Year [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 226,033 205,871
Due Within 1 Year [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,089,352 856,562
Due Within 1 Year [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 2,129,645 1,648,955
Due Within 1 Year [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 1,802,258 601,290
Due Within 1 Year [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 12,649,957 12,806,147
Due Within 1 Year [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 380,055 48,545
Due Within 1 Year [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 198,248 163,043
Due Within 1 Year [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 10,297,432 8,741,417
Due Within 1 Year [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 994,714 540,091
Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,804,857 2,451,466
Total financial liabilities   4,675,171
Later Than One Month And Not Later Than Three Months [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 30,969 2,412
Later Than One Month And Not Later Than Three Months [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 759,519 39,267
Later Than One Month And Not Later Than Three Months [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 624,167 404,575
Later Than One Month And Not Later Than Three Months [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 427,825 120,361
Later Than One Month And Not Later Than Three Months [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 4,905,414 4,108,556
Later Than One Month And Not Later Than Three Months [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later Than One Month And Not Later Than Three Months [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later Than One Month And Not Later Than Three Months [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Later Than One Month And Not Later Than Three Months [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets 4,505,497 5,798,664
Total financial liabilities   5,517,050
Not Later Than One Month [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 5,155 934
Not Later Than One Month [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 285,159 71,465
Not Later Than One Month [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 363,560 16,310
Not Later Than One Month [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 422,749 131,378
Not Later Than One Month [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 5,184,567 5,248,418
Not Later Than One Month [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 380,055 48,545
Not Later Than One Month [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Not Later Than One Month [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Not Later Than One Month [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets 4,520,659 2,827,613
Total financial liabilities 11,793,782 9,786,584
Demand [Member] | Other financial liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 179,681 179,681
Demand [Member] | Issue debt instruments [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Demand [Member] | Interbank Borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 39,378 39,378
Demand [Member] | Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Demand [Member] | Time deposits and other time liabilities [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 122,974 122,974
Demand [Member] | Obligations under repurchase agreements [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities
Demand [Member] | Cash items in process of being cleared [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 163,043
Demand [Member] | Deposits and interbank borrowings [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 8,741,417 8,741,417
Demand [Member] | Guarantees received (margin accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial liabilities 540,091 540,091
Loans and accounts receivables at amortised cost [Member]    
Disclosure of financial assets [line items]    
Total financial assets 32,671,515 [1] 30,213,414 [2]
Loans and accounts receivables at amortised cost [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 21,499,193 [1] 19,476,031 [2]
Loans and accounts receivables at amortised cost [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 5,511,374 [1] 4,880,726
Loans and accounts receivables at amortised cost [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 11,699,613 [1] 10,765,393
Loans and accounts receivables at amortised cost [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 4,093,147 [1] 3,236,349
Loans and accounts receivables at amortised cost [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 5,706,433 [1] 5,474,289
Loans and accounts receivables at amortised cost [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,315,417 [1] 10,737,383
Loans and accounts receivables at amortised cost [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,400,909 [1] 128,024
Loans and accounts receivables at amortised cost [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,963,578 [1] 3,295,003
Loans and accounts receivables at amortised cost [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets 296,461 [1] 238,212
Guarantee Deposits (Margin Accounts) [Member]    
Disclosure of financial assets [line items]    
Total financial assets 170,232 170,232
Guarantee Deposits (Margin Accounts) [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 314,616 170,232
Guarantee Deposits (Margin Accounts) [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Guarantee Deposits (Margin Accounts) [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets 314,616 170,232
Equity instruments at fvoci [Member]    
Disclosure of financial assets [line items]    
Total financial assets 483
Equity instruments at fvoci [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 482 483
Equity instruments at fvoci [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Equity instruments at fvoci [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 482 481
Equity instruments at fvoci [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Equity instruments at fvoci [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Equity instruments at fvoci [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,187,382
Equity instruments at fvoci [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Equity instruments at fvoci [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Equity instruments at fvoci [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Debt Instruments At FVOCI [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,394,323
Debt Instruments At FVOCI [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,822,890 2,993
Total financial liabilities   2,822,890
Debt Instruments At FVOCI [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 52,130 1
Debt Instruments At FVOCI [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,588,875 2,907
Debt Instruments At FVOCI [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 725,419
Debt Instruments At FVOCI [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 508,596 86
Debt Instruments At FVOCI [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 5,953 2,391,330
Debt Instruments At FVOCI [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets 3,752
Debt Instruments At FVOCI [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,131,500 2,391,329
Debt Instruments At FVOCI [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Loans and account receivable at fvoci [Member]    
Disclosure of financial assets [line items]    
Total financial assets [3] 66,166 68,694
Loans and account receivable at fvoci [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 60,213 [4] 43,400
Loans and account receivable at fvoci [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 5,953 [4] 25,294
Loans and account receivable at fvoci [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 60,213 [4] 38,451
Loans and account receivable at fvoci [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets [4]
Loans and account receivable at fvoci [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets [4] 4,949
Loans and account receivable at fvoci [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 11,172,322 [4] 25,294
Loans and account receivable at fvoci [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,323,442
Loans and account receivable at fvoci [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets [4]
Loans and account receivable at fvoci [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets [4]
Financial derivative contracts [Member]    
Disclosure of financial assets [line items]    
Total financial assets 8,148,608 3,100,635
Financial derivative contracts [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 3,103,369 2,317,621
Financial derivative contracts [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,543,446 543,722
Financial derivative contracts [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 3,103,369 1,041,866
Financial derivative contracts [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,346,329 552,133
Financial derivative contracts [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 1,383,493 723,622
Financial derivative contracts [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 783,014 783,014
Financial derivative contracts [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets 400,196
Financial derivative contracts [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets 371,775 111,268
Financial derivative contracts [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Investments Under Resale Agreements [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Available For Sale Investments [Member]    
Disclosure of financial assets [line items]    
Total financial assets 270,204 77,041
Available For Sale Investments [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 11,551 64,335
Available For Sale Investments [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 645 11,642
Available For Sale Investments [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 11,551 27,924
Available For Sale Investments [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 37,659 20,080
Available For Sale Investments [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets 181,705 16,331
Available For Sale Investments [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 12,706 12,706
Available For Sale Investments [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Available For Sale Investments [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets 38,644 1,064
Available For Sale Investments [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member]    
Disclosure of financial assets [line items]    
Total financial assets 355,062 353,757
Cash Items In Process Of Collection [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 353,757 353,757
Cash Items In Process Of Collection [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash Items In Process Of Collection [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets 355,062 353,757
Cash And Deposits In Banks [Member]    
Disclosure of financial assets [line items]    
Total financial assets 3,554,520 2,065,411
Cash And Deposits In Banks [Member] | More Than 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | More Than 3 Months To 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Due After 5 Years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Later than three years and not later than five years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Between 1 and 3 years [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Due Within 1 Year [Member]    
Disclosure of financial assets [line items]    
Total financial assets 2,065,411 2,065,411
Cash And Deposits In Banks [Member] | Later Than One Month And Not Later Than Three Months [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Not Later Than One Month [Member]    
Disclosure of financial assets [line items]    
Total financial assets
Cash And Deposits In Banks [Member] | Demand [Member]    
Disclosure of financial assets [line items]    
Total financial assets $ 3,554,520 $ 2,065,411
[1] Loans and accounts receivables at amortised cost are presented on a gross basis, the amount of allowance is Ch$896,095 million.
[2] Loans and accounts receivables at amortised cost are presented on a gross basis, the amount of allowance is Ch$ 882,414 million.
[3] Loans and accounts receivables at fvoci are presented on a gross basis, the amount of allowance is Ch$106 million.
[4] Loans and accounts receivables at fvoci are presented on a gross basis, the amount of allowance is Ch$101 million.