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INTERBANK BORROWINGS (Details) - CLP ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | $ 1,788,626 | $ 1,698,357
Loans From Financial Institutions And The Central Bank Of Chile [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 5
Loans From Financial Institutions And The Central Bank Of Chile [Member] | Borrowings And Other Obligations [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 5
Loans From Domestic Financial Institutions [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 480
Loans From Foreign Financial Institutions [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,787,943 | 1,554,071
Loans From Foreign Financial Institutions [Member] | Bank Of America N.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 338,906 | 228,309
Loans From Foreign Financial Institutions [Member] | Sumitomo Mitsui Banking Corporation [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 278,761 | 259,199
Loans From Foreign Financial Institutions [Member] | Citibank N.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 241,041 | 191,494
Loans From Foreign Financial Institutions [Member] | Mizuho Bank Ltd. NY. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 223,829 | 215,967
Loans From Foreign Financial Institutions [Member] | Wells Fargo Bank N.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 216,749 | 235,058
Loans From Foreign Financial Institutions [Member] | The Bank of Nova Scotia [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 163,927 | 86,419
Loans From Foreign Financial Institutions [Member] | The Bank of New York Mellon [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 69,921 | 30,839
Loans From Foreign Financial Institutions [Member] | Corporacion Andina De Fomento [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 52,371 |
Loans From Foreign Financial Institutions [Member] | Standard Chartered Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 50,960 | 225,966
Loans From Foreign Financial Institutions [Member] | Barclays Bank PLC London [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 34,965 | 30,886
Loans From Foreign Financial Institutions [Member] | HSBC Bank Plc NY [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 34,936 | 30,875
Loans From Foreign Financial Institutions [Member] | Wachovia Bank, NA [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 33,499 |
Loans From Foreign Financial Institutions [Member] | Banco Santander Brasil S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 8,040 | 5,225
Loans From Foreign Financial Institutions [Member] | Bank of China [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 7,777 | 831
Loans From Foreign Financial Institutions [Member] | Banco Santander - Hong Kong [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 6,047 | 8,341
Loans From Foreign Financial Institutions [Member] | Deutsche Bank A.G. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 5,558 | 157
Loans From Foreign Financial Institutions [Member] | Bnp Paribas, Hong Kong Branch [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 3,554 |
Loans From Foreign Financial Institutions [Member] | Keb Hana Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 2,318 | 396
Loans From Foreign Financial Institutions [Member] | Rabobank, Hong Kong Branch [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,548 |
Loans From Foreign Financial Institutions [Member] | Hong Kong and Shanghai Banking [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,300 | 222
Loans From Foreign Financial Institutions [Member] | Banco Santander Central Hispano [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,295 | 312
Loans From Foreign Financial Institutions [Member] | Unicredito Italiano [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,117 | 264
Loans From Foreign Financial Institutions [Member] | Bank of Tokyo Mitsubishi [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,032 | 453
Loans From Foreign Financial Institutions [Member] | Banco Bilbao Vizcaya Argentaria [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 888 |
Loans From Foreign Financial Institutions [Member] | Standard Chartered Bank Malays [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 843 |
Loans From Foreign Financial Institutions [Member] | Dexia Bank SA [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 789 |
Loans From Foreign Financial Institutions [Member] | Banque Bruxelles Lambert S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 509 |
Loans From Foreign Financial Institutions [Member] | Hsbc Bank Usa [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 394 | 38
Loans From Foreign Financial Institutions [Member] | Shinhan Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 380 | 394
Loans From Foreign Financial Institutions [Member] | United Bank of India [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 378 |
Loans From Foreign Financial Institutions [Member] | Woori Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 356 | 105
Loans From Foreign Financial Institutions [Member] | State Bank of India [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 331 | 110
Loans From Foreign Financial Institutions [Member] | Banca Commerciale Italiana S.P. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 288 | 31
Loans From Foreign Financial Institutions [Member] | Shanghai Pudong Development [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 237 |
Loans From Foreign Financial Institutions [Member] | Banco de Galicia Y Buenos Aires [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 231 |
Loans From Foreign Financial Institutions [Member] | Bank of East Asia, Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 205 | 241
Loans From Foreign Financial Institutions [Member] | First Union National Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 201 | 35
Loans From Foreign Financial Institutions [Member] | Industrial Bank of Korea [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 195 |
Loans From Foreign Financial Institutions [Member] | Canara Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 237 | 224
Loans From Foreign Financial Institutions [Member] | Banca Monte dei Paschi di Siena [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 179 | 162
Loans From Foreign Financial Institutions [Member] | Metropolitan Bank Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 170 | 87
Loans From Foreign Financial Institutions [Member] | Hua Nan Commercial Bank Ltd. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 164 | 349
Loans From Foreign Financial Institutions [Member] | Credit Lyonnais [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 139 |
Loans From Foreign Financial Institutions [Member] | Bank of Shanghai [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 134 |
Loans From Foreign Financial Institutions [Member] | Bank of Taiwan [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 127 | 136
Loans From Foreign Financial Institutions [Member] | Agricultural Bank of China [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 106 | 295
Loans From Foreign Financial Institutions [Member] | Akbank T,A,S, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 106 |
Loans From Foreign Financial Institutions [Member] | Credit Agricole [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 106 |
Loans From Foreign Financial Institutions [Member] | Banco Bradesco S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 89 |
Loans From Foreign Financial Institutions [Member] | Oriental Bank of Commerce [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 87 |
Loans From Foreign Financial Institutions [Member] | Kookmin Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 78 | 201
Loans From Foreign Financial Institutions [Member] | Banca Nazionale Del Lavoro S,P [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 77 |
Loans From Foreign Financial Institutions [Member] | Hsbc Bank Middle East [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 77 |
Loans From Foreign Financial Institutions [Member] | International Commercial Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 70 | 221
Loans From Foreign Financial Institutions [Member] | Taiwan Cooperative Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 66 | 159
Loans From Foreign Financial Institutions [Member] | Banca Lombarda E Piemontese S. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 60 |
Loans From Foreign Financial Institutions [Member] | Hanvit Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 58 | 55
Loans From Foreign Financial Institutions [Member] | Bank of India [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 51 |
Loans From Foreign Financial Institutions [Member] | Caixabank S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 44 |
Loans From Foreign Financial Institutions [Member] | Fortis Bank S.A./N.V. Brussels [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 42 | 15
Loans From Foreign Financial Institutions [Member] | Banco de la Republica Oriental [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 41 |
Loans From Foreign Financial Institutions [Member] | Bank of Baroda [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 37 |
Loans From Foreign Financial Institutions [Member] | China Construccion Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 35 | 90
Loans From Foreign Financial Institutions [Member] | Banco Internacional S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 33 |
Loans From Foreign Financial Institutions [Member] | Joint Stock Commercial Bank Fo, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 33 |
Loans From Foreign Financial Institutions [Member] | Shanghai Commercial and Saving [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 33 |
Loans From Foreign Financial Institutions [Member] | Banistmo S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 32 |
Loans From Foreign Financial Institutions [Member] | Banca Popolare Dell'Emilia Rom [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 31 | 53
Loans From Foreign Financial Institutions [Member] | Bank of Montreal [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 31 | 30
Loans From Foreign Financial Institutions [Member] | Raiffeisen Bank Polska S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 31 |
Loans From Foreign Financial Institutions [Member] | Casa Di Risparmo De Padova E.R. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 30 | 56
Loans From Foreign Financial Institutions [Member] | Industrial And Commercial Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 30 | 119
Loans From Foreign Financial Institutions [Member] | Hdfc Bank Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 28 |
Loans From Foreign Financial Institutions [Member] | Bankinter S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 24 |
Loans From Foreign Financial Institutions [Member] | Kbc Bank Nv [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 23 |
Loans From Foreign Financial Institutions [Member] | Banco Bpm SPA [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 21 |
Loans From Foreign Financial Institutions [Member] | Cassa Di Risparmio In Bologna [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 21 |
Loans From Foreign Financial Institutions [Member] | Banco De Sabadell S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 20 |
Loans From Foreign Financial Institutions [Member] | Banco Commerzbank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 19 |
Loans From Foreign Financial Institutions [Member] | Taiwan Business Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 19 | 19
Loans From Foreign Financial Institutions [Member] | Cajas Rurales Unidas [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 18 |
Loans From Foreign Financial Institutions [Member] | Chang Hwa Commercial Bank Ltd. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 18 | 14
Loans From Foreign Financial Institutions [Member] | U,S. Bank Formerly First Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 18 |
Loans From Foreign Financial Institutions [Member] | United World Chinese Commercia [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 15 |
Loans From Foreign Financial Institutions [Member] | Banco Itau S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 14 |
Loans From Foreign Financial Institutions [Member] | Mega International Commercial [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 9 |
Loans From Foreign Financial Institutions [Member] | Banca Popolare Di Milano S,C,A [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 6 |
Loans From Foreign Financial Institutions [Member] | Hang Seng Bank (China) Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 6 |
Loans From Foreign Financial Institutions [Member] | Sumitono Mitsui [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 4 |
Loans From Foreign Financial Institutions [Member] | Development Bank Of Singapore [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 3 |
Loans From Foreign Financial Institutions [Member] | Abanca Corporacion Bancaria SA [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 60
Loans From Foreign Financial Institutions [Member] | Australia And New Zealand Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 62
Loans From Foreign Financial Institutions [Member] | Banca Delle Marche Spa [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 76
Loans From Foreign Financial Institutions [Member] | Banco Bradesco S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 50
Loans From Foreign Financial Institutions [Member] | Banco Caixa Geral. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 33
Loans From Foreign Financial Institutions [Member] | Banco Commerzbank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 145
Loans From Foreign Financial Institutions [Member] | Banco de occidente [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 282
Loans From Foreign Financial Institutions [Member] | Banco De Sabadell S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 10
Loans From Foreign Financial Institutions [Member] | Banco Do Brasil S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 268
Loans From Foreign Financial Institutions [Member] | Banco Internacional S,A, [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 33
Loans From Foreign Financial Institutions [Member] | Banco Popolare Soc Coop [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 6
Loans From Foreign Financial Institutions [Member] | Banco Popular Espanol S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 19
Loans From Foreign Financial Institutions [Member] | Bancolombia S.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 94
Loans From Foreign Financial Institutions [Member] | Bank Austria A.G. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 2,317
Loans From Foreign Financial Institutions [Member] | Bank of Communications [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 93
Loans From Foreign Financial Institutions [Member] | Bank Of Nova Scotia [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 112
Loans From Foreign Financial Institutions [Member] | Banque Generale Du Luxembourg [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 207
Loans From Foreign Financial Institutions [Member] | Cassa Di Risparmio Di Parma E [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 93
Loans From Foreign Financial Institutions [Member] | Citic Industrial Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 39
Loans From Foreign Financial Institutions [Member] | Corporacion Andina De Fomento [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 31,075
Loans From Foreign Financial Institutions [Member] | European Investment Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 12,629
Loans From Foreign Financial Institutions [Member] | Habib Bank Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 34
Loans From Foreign Financial Institutions [Member] | Hang Seng Bank Ltd. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 39
Loans From Foreign Financial Institutions [Member] | Hsbc Bank Plc [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 30,838
Loans From Foreign Financial Institutions [Member] | Icici Bank Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 8
Loans From Foreign Financial Institutions [Member] | J.P. Morgan Chase Bank N.A. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 154
Loans From Foreign Financial Institutions [Member] | Kasikornbank Public Company Li. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 25
Loans From Foreign Financial Institutions [Member] | Liu Chong Hing Bank Limited [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 21
Loans From Foreign Financial Institutions [Member] | Mizuho Corporate Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 331
Loans From Foreign Financial Institutions [Member] | Punjab National Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 47
Loans From Foreign Financial Institutions [Member] | Shanghai Pudong Development [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 714
Loans From Foreign Financial Institutions [Member] | Societe Generale [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 56
Loans From Foreign Financial Institutions [Member] | Thai Military Bank Public Comp [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 377
Loans From Foreign Financial Institutions [Member] | The Toronto-Dominion Bank [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 62,743
Loans From Foreign Financial Institutions [Member] | Yapi Ve Kredi Bankasi A.S. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 155
Loans From Foreign Financial Institutions [Member] | Zhejiang Commercial Bank Ltd. [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings |  | 175
Loans from foreign financial institutions, continuacion [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | 1,788,626 | 1,698,357
Loans from foreign financial institutions, continuacion [Member] | Subtotal [Member] |  |
Disclosure of financial liabilities [line items] |  |
Interbank borrowings | $ 683 | $ 143,801

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