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Transition disclosures - Reclassification and remeasurement of carrying amounts and recognition of ECL upon adoption of IRFS 9 (Details) - CLP ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 01, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | $ 32,561,437
Assets, Reclassification on Transition to IFRS 9 | $ 78,069 |  |
Assets, Remeasurement on Transition to IFRS 9 | (51,125) |  |
Assets, Carrying Amount IFRS 9 | 32,510,312 |  |
Liabilities, Carrying Amount IAS 39 |  |  | 32,561,437
Liabilities, Remeasurement on Transition to IFRS 9 | (51,125) |  |
Liabilities, Carrying Amount IFRS 9 | 32,510,312 |  |
Transition impact upon adoption of the ECL requirements of IFRS 9 | 85,926 |  |
Reclassification of an unrealized loss in other comprehensive income to the retained earnings, before tax | 5,820 |  |
Taxation benefit on reclassification of unrealized loss from comprehensive income to the retained earnings | 1,571 |  |
Total change in equity due to adopting of IFRS 9, before tax | 91,746 |  |
TOTAL EQUITY |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 3,545,348
Liabilities, Remeasurement on Transition to IFRS 9 | (62,726) |  |
Liabilities, Carrying Amount IFRS 9 | 3,482,622 |  |
Paid-in capital |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 2,271,401
Liabilities, Carrying Amount IFRS 9 | 2,271,401 |  |
Reserves |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 809,557
Liabilities, Carrying Amount IFRS 9 | 809,557 |  |
Other comprehensive income |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 127
Liabilities, Reclassification on Transition to IFRS 9 | 4,249 |  |
Liabilities, Carrying Amount IFRS 9 | 4,376 |  |
Retained earnings from previous periods |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 64,986
Liabilities, Reclassification on Transition to IFRS 9 | (4,249) |  |
Liabilities, Remeasurement on Transition to IFRS 9 | (62,726) |  |
Liabilities, Carrying Amount IFRS 9 | (1,989) |  |
Income for the year |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 572,080
Liabilities, Carrying Amount IFRS 9 | 572,080 |  |
Provisions for minimum dividend |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | (172,804)
Liabilities, Carrying Amount IFRS 9 | (172,804) |  |
Non-controlling interest |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 1
Liabilities, Carrying Amount IFRS 9 | 1 |  |
TOTAL LIABILITIES |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 29,016,089
Liabilities, Remeasurement on Transition to IFRS 9 | 11,601 |  |
Liabilities, Carrying Amount IFRS 9 | 29,027,690 |  |
Current tax liabilities |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 3,453
Liabilities, Carrying Amount IFRS 9 | 3,453 |  |
Provisions |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 194,537
Liabilities, Reclassification on Transition to IFRS 9 | 11,374 |  |
Liabilities, Remeasurement on Transition to IFRS 9 | 11,601 |  |
Liabilities, Carrying Amount IFRS 9 | 217,512 |  |
Transition impact upon adoption of the ECL requirements of IFRS 9 | 11,601 |  |
Employee benefits |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 86,628
Liabilities, Carrying Amount IFRS 9 | 86,628 |  |
Other liabilities |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 308,563
Liabilities, Reclassification on Transition to IFRS 9 | (11,374) |  |
Liabilities, Carrying Amount IFRS 9 | 297,189 |  |
Financial assets held-for-trading |  |  |
Adoption of new standards |  |  |
Financial assets available-for-sale, Reclassification on Transition to IFRS 9 | 78,069 |  |
Loans and advances to banks |  |  |
Adoption of new standards |  |  |
Assets, Remeasurement on Transition to IFRS 9 | (508) |  |
Transition impact upon adoption of the ECL requirements of IFRS 9 | 508 |  |
Loans to customers |  |  |
Adoption of new standards |  |  |
Assets, Remeasurement on Transition to IFRS 9 | (73,817) |  |
Transition impact upon adoption of the ECL requirements of IFRS 9 |  | $ 73,817 |
Financial assets available-for-sale |  |  |
Adoption of new standards |  |  |
Financial assets available-for-sale, Reclassification on Transition to IFRS 9 | (1,526,315) |  |
Financial assets available-for-sale, Equity |  |  |
Adoption of new standards |  |  |
Financial assets available-for-sale, Reclassification on Transition to IFRS 9 | 10,252 |  |
Financial assets available-for-sale, Debt |  |  |
Adoption of new standards |  |  |
Financial assets available-for-sale, Reclassification on Transition to IFRS 9 | 1,516,063 |  |
FVOCI |  |  |
Adoption of new standards |  |  |
Other assets, Reclassification on Transition to IFRS 9 | 1,526,315 |  |
Financial assets at fair value through OCI, Equity |  |  |
Adoption of new standards |  |  |
Assets, Reclassification on Transition to IFRS 9 | (10,252) |  |
Financial assets at fair value through OCI, Debt |  |  |
Adoption of new standards |  |  |
Assets, Reclassification on Transition to IFRS 9 | (1,516,063) |  |
Intangible assets |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 72,455
Assets, Carrying Amount IFRS 9 | 72,455 |  |
Property and equipment |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 216,259
Assets, Carrying Amount IFRS 9 | 216,259 |  |
Investments properties |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 14,306
Assets, Carrying Amount IFRS 9 | 14,306 |  |
Current tax assets |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 23,032
Assets, Carrying Amount IFRS 9 | 23,032 |  |
Deferred tax assets, net |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 161,265
Assets, Remeasurement on Transition to IFRS 9 | 23,200 |  |
Assets, Carrying Amount IFRS 9 | 184,465 |  |
Other assets |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 604,800
Other assets, Reclassification on Transition to IFRS 9 | 78,069 |  |
Assets, Carrying Amount IFRS 9 | 526,731 |  |
AC | Current accounts and other demand deposits |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 8,915,706
Liabilities, Carrying Amount IFRS 9 | 8,915,706 |  |
AC | Transactions in the course of payment |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 29,871
Liabilities, Carrying Amount IFRS 9 | 29,871 |  |
AC | Cash collateral on securities lent and reverse repurchase agreements |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 195,392
Liabilities, Carrying Amount IFRS 9 | 195,392 |  |
AC | Saving accounts and time deposits |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 10,067,778
Liabilities, Carrying Amount IFRS 9 | 10,067,778 |  |
AC | Borrowings from financial institutions |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 1,195,028
Liabilities, Carrying Amount IFRS 9 | 1,195,028 |  |
AC | Debt issued |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 6,488,975
Liabilities, Carrying Amount IFRS 9 | 6,488,975 |  |
AC | Other financial obligations |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 137,163
Liabilities, Carrying Amount IFRS 9 | 137,163 |  |
FVPL | Derivate instruments |  |  |
Adoption of new standards |  |  |
Liabilities, Carrying Amount IAS 39 |  |  | 1,392,995
Liabilities, Carrying Amount IFRS 9 | 1,392,995 |  |
L&R | Cash and due from banks |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 1,057,393
L&R | Transactions in the course of collection |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 255,968
L&R | Cash collateral on securities borrowed and reverse repurchase agreements |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 91,641
L&R | Loans and advances to banks |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 760,021
L&R | Loans to customers |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 24,955,692
L&R | Financial assets available-for-sale |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 1,526,315
AC | Cash and due from banks |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 1,057,393 |  |
AC | Transactions in the course of collection |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 255,968 |  |
AC | Cash collateral on securities borrowed and reverse repurchase agreements |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 91,641 |  |
AC | Loans and advances to banks |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 759,513 |  |
AC | Loans to customers |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 24,881,875 |  |
AC | Investments in other companies |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 35,771
FVPL | Financial assets held-for-trading |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | 1,538,578
Assets, Carrying Amount IFRS 9 | 1,616,647 |  |
FVPL | Derivative instruments |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IAS 39 |  |  | $ 1,247,941
Assets, Carrying Amount IFRS 9 | 1,247,941 |  |
FVOCI | FVOCI |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | 1,526,315 |  |
FVOCI | Investments in other companies |  |  |
Adoption of new standards |  |  |
Assets, Carrying Amount IFRS 9 | $ 35,771 |  |

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