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Accounting Changes (Details 2) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | $ 31,775,420 | $ 29,331,001 |
Total financial assets measured at FVOCI | 66,166 | 68,694 | $ 107,998
Total | 2,042 | 723 |
Total contingents | 9,218,413 | 9,324,947 |
IFRS 9 [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable |  | 888,091 |
Total financial assets measured at FVOCI |  | 97 |
Total contingents |  | 23,761 |
Total provision for loan losses |  | $ 911,949 |
IFRS 9 [Member] | Other Credit Related commitments [Member] | Loan Commitments [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents | 19,124 |  |
IFRS 9 [Member] | Other Credit Related commitments [Member] | Contingent liabilities [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents | 4,637 |  |
IFRS 9 [Member] | Available For Sale Investments [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 97 |  |
IFRS 9 [Member] | Amortised Cost [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 888,091 |  |
IFRS 9 [Member] | Amortised Cost [Member] | Interbank Loans Net [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable |  |  |
IAS 39 [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 791,157 |  |
Total financial assets measured at FVOCI |  |  |
Total contingents | 8,404 |  |
Total provision for loan losses | 799,561 |  |
IAS 39 [Member] | Other Credit Related commitments [Member] | Loan Commitments [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents |  |  |
IAS 39 [Member] | Other Credit Related commitments [Member] | Contingent liabilities [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents | 8,404 |  |
IAS 39 [Member] | Available For Sale Investments [Member] | Investment Securities [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable |  |  |
IAS 39 [Member] | Amortised Cost [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 790,685 |  |
IAS 39 [Member] | Amortised Cost [Member] | Interbank Loans Net [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 472 |  |
Reclassification [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | (388) |  |
Total financial assets measured at FVOCI | 388 |  |
Total contingents |  |  |
Total provision for loan losses |  |  |
Reclassification [Member] | Other Credit Related commitments [Member] | Loan Commitments [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents |  |  |
Reclassification [Member] | Other Credit Related commitments [Member] | Contingent liabilities [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents |  |  |
Reclassification [Member] | Available For Sale Investments [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 388 |  |
Reclassification [Member] | Amortised Cost [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 84 |  |
Reclassification [Member] | Amortised Cost [Member] | Interbank Loans Net [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | (472) |  |
Remeasurement [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 97,322 |  |
Total financial assets measured at FVOCI | (291) |  |
Total contingents | 15,357 |  |
Total provision for loan losses | 112,388 |  |
Remeasurement [Member] | Other Credit Related commitments [Member] | Loan Commitments [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents | 19,124 |  |
Remeasurement [Member] | Other Credit Related commitments [Member] | Contingent liabilities [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total contingents | (3,767) |  |
Remeasurement [Member] | Available For Sale Investments [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | (291) |  |
Remeasurement [Member] | Amortised Cost [Member] | Loans And Accounts Receivable From Customers [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable | 97,322 |  |
Remeasurement [Member] | Amortised Cost [Member] | Interbank Loans Net [Member] |  |  |
Disclosure of effect of overlay approach reclassification on profit or loss [line items] |  |  |
Total loans and account receivable |  |  |

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