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Accounting Changes (Details 1) - CLP ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of financial assets [line items] |  |
Total financial assets measured at amortised cost | $ 31,775,420 | $ 29,331,001
Total financial assets measured at FVOCI | 4,010,272 | $ 2,394,323
IFRS 9 [Member] |  |
Disclosure of financial assets [line items] |  |
Total financial assets measured at amortised cost | 28,182,511 |
Total financial assets measured at FVOCI | 2,683,176 |
Total financial assets measured at FVTPL | 2,274,383 |
IAS 39 [Member] |  |
Disclosure of financial assets [line items] |  |
Total financial assets measured at amortised cost | 28,387,679 |
Total financial assets measured at FVOCI | 2,574,969 |
Total financial assets measured at FVTPL | 2,724,383 |
Remeasurement [Member] |  |
Disclosure of financial assets [line items] |  |
Total financial assets measured at amortised cost | (97,322) |
Total financial assets measured at FVOCI | 361 |
Reclassification [Member] |  |
Disclosure of financial assets [line items] |  |
Total financial assets measured at amortised cost | (107,846) |
Total financial assets measured at FVOCI | 107,846 |
Loans And Accounts Receivable From Customers [Member] | Fair Value Through Other Comprehensive Income [Member] |  |
Disclosure of financial assets [line items] |  |
Addition: from amortised cost (net of allowance) | 107,846 |
Remeasurement: ECL Allowance | 291 |
Remeasurement: from cost to FV | (236) |
Subtraction to FVOCI (net of allowance) | 55 |
Closing balance under IFRS 9 | 107,846 |
Total financial assets measured at amortised cost | 107,901 |
Available For Sale Investments [Member] | Fair Value Through Other Comprehensive Income [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 2,574,546 |
Addition: from interbank loans |  |
Closing balance under IFRS 9 | 2,574,546 |
Investment In Associate And Other Companies Stock Exchange [Member] | Fair Value Through Other Comprehensive Income [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 287 |
Closing balance under IFRS 9 | 287 |
Investment In Associate And Other Companies Bladex [Member] | Fair Value Through Other Comprehensive Income [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 136 |
Remeasurement: from cost to FV | 306 |
Subtraction to FVOCI (net of allowance) | 306 |
Closing balance under IFRS 9 | 136 |
Total financial assets measured at amortised cost | 442 |
Derivatives Contracts [Member] | Financial assets at fair value through profit or loss, category [Member] |  |
Disclosure of financial assets [line items] |  |
Closing balance under IFRS 9 | 2,238,647 |
Trading Investment [Member] | Financial assets at fair value through profit or loss, category [Member] |  |
Disclosure of financial assets [line items] |  |
Closing balance under IFRS 9 | 485,736 |
Amortised Cost [Member] | Cash And Deposit In Banks [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 1,452,922 |
Addition: from interbank loans |  |
Closing balance under IFRS 9 | 1,452,922 |
Amortised Cost [Member] | Loans And Accounts Receivable From Customers [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 26,772,544 |
Addition: from interbank loans | 162,213 |
Remeasurement: ECL Allowance | (97,322) |
Subtraction to FVOCI (net of allowance) | (107,846) |
Closing balance under IFRS 9 | 26,729,589 |
Amortised Cost [Member] | Interbank Loans Net [Member] |  |
Disclosure of financial assets [line items] |  |
Opening balance under IAS 39 | 162,213 |
Remeasurement: ECL Allowance | (162,213) |
Closing balance under IFRS 9 |  |

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