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Risk Management - Portfolio Concentration Credit Risk Industry Sector (Details) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of credit risk exposure [line items] |  |
Financial assets | $ 1,366,343 | $ 1,053,191
Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,724,621 | 1,478,533
Hedge derivative contracts |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 61,594 | 35,414
Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,761,952 | 738,130
Swaps | Hedge derivative contracts |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 61,594 | 35,414
Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 956,632 | 735,444
FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,366,343 | 1,053,191
FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 770,674
FVOCI | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 164,222
FVOCI | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 108,544
FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,357,846 | 1,043,440
Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,076 | 120
Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 4,961 | 4,839
Financial assets held-for-trading |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,872,355 | 1,745,366
Financial assets held-for-trading | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 375,337 | 129,607
Financial assets held-for-trading | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,123,689 | 1,523,472
Financial assets held-for-trading | Mutual fund investments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 373,329 | 87,841
Financial assets held-for-trading | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 4,446
Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 30,033,272 | 27,926,632
Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 16,294,212 | 15,438,398
Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 142,329 | 97,289
Mortgages |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,206,727 | 8,052,073
Consumer loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 4,532,333 | 4,436,161
Foreign Banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 360,131 | 294,542
Domestic Banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 150,007 | 100,023
Loans and advances to banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,140,191 | 1,495,396
Cash and due from banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,392,166 | 880,081
Chilean Central Bank |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 630,053 | 1,100,831
Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 8,497 | 9,751
Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,228,931 |
Financial Instruments Available For Sale [Member] | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 109,062 |
Financial Instruments Available For Sale [Member] | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 19,853 |
Corporate loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 11,705,859
Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 7,446 | 8,939
Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,051 | 812
Transportation and telecommunications | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 14,456 | 2,333
Transportation and telecommunications | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 12,526 | 2,235
Transportation and telecommunications | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,930 | 98
Transportation and telecommunications | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 4,938
Transportation and telecommunications | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 4,938
Transportation and telecommunications | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 4,938
Transportation and telecommunications | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Transportation and telecommunications | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,234,087 | 1,498,142
Transportation and telecommunications | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,234,087 | 1,498,142
Transportation and telecommunications | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 8,665 | 15,637
Transportation and telecommunications | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Transportation and telecommunications | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Transportation and telecommunications | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Transportation and telecommunications | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Transportation and telecommunications | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Trade | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 28,129 | 59,550
Trade | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,813 | 51,916
Trade | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 16,225 | 7,194
Trade | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 22,390
Trade | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 22,390
Trade | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 22,390
Trade | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 522 | 51
Trade | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,569 | 389
Trade | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,066,372 | 2,324,325
Trade | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,066,372 | 2,324,325
Trade | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 40,642 | 37,520
Trade | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Trade | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Trade | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Trade | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Trade | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Services | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 687 | 74,582
Services | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 74,250
Services | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 497 | 296
Services | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Services | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 190 | 36
Services | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,267,869 | 2,109,491
Services | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,267,869 | 2,109,491
Services | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 985
Services | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Services | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Services | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Other | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 425,280 | 325,783
Other | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,923 | 655
Other | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 415,319 | 325,117
Other | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 46,162 | 54,445
Other | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 46,162 | 54,445
Other | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 46,162 | 54,445
Other | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 38 | 11
Other | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,676,677 | 1,398,237
Other | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,676,677 | 1,398,237
Other | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 3,441 | 736
Other | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Other | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Other | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Mining | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,875 | 62
Mining | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 19 | 22
Mining | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 40
Mining | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 604,660 | 453,549
Mining | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 604,660 | 453,549
Mining | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,067 | 5,017
Mining | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Mining | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Mining | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Mining | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Mining | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Manufacturing | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 8,077 | 20,697
Manufacturing | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 7,718 | 7,348
Manufacturing | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 79 | 13,328
Manufacturing | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 5
Manufacturing | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 280 | 16
Manufacturing | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,624,972 | 1,579,475
Manufacturing | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,624,972 | 1,579,475
Manufacturing | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Manufacturing | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Manufacturing | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Manufacturing | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Manufacturing | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Government | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 16,238 | 29,077
Government | FVOCI | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 16,238 | 29,077
Government | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 16,238 | 29,077
Government | Financial assets held-for-trading |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 99,164 | 88,486
Government | Financial assets held-for-trading | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 99,164 | 88,486
Government | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 18,460 |
Government | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Government | Financial Instruments Available For Sale [Member] | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Government | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Government | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Government | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Financial Services | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,175,067 | 960,482
Financial Services | Hedge derivative contracts |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 61,594 | 35,414
Financial Services | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,693,048 | 584,743
Financial Services | Swaps | Hedge derivative contracts |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 61,594 | 35,414
Financial Services | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 480,269 | 374,006
Financial Services | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,023,008 | 798,951
Financial Services | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 994,658 | 680,656
Financial Services | FVOCI | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 19,853 | 108,544
Financial Services | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,014,511 | 789,200
Financial Services | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 554 | 64
Financial Services | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,196 | 1,669
Financial Services | Financial assets held-for-trading |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 748,666 | 221,894
Financial Services | Financial assets held-for-trading | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 375,337 | 129,607
Financial Services | Financial assets held-for-trading | Mutual fund investments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 373,329 | 87,841
Financial Services | Financial assets held-for-trading | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 4,446
Financial Services | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,587,559 | 2,122,599
Financial Services | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,587,559 | 2,122,599
Financial Services | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 66,285 | 29,031
Financial Services | Foreign Banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 360,131 | 294,542
Financial Services | Domestic Banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 150,007 | 100,023
Financial Services | Loans and advances to banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 510,138 | 394,565
Financial Services | Cash and due from banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,213,737 | 758,274
Financial Services | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Financial Services | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Financial Services | Financial Instruments Available For Sale [Member] | Instruments Issued By Foreign Institutions [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Financial Services | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 7,446 | 8,939
Financial Services | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,051 | 812
Financial Services | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 8,497 | 9,751
Fishing | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 5,088 | 2,740
Fishing | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 4,275 | 2,249
Fishing | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 642 | 411
Fishing | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 171 | 80
Fishing | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 140,709 | 156,472
Fishing | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 140,709 | 156,472
Fishing | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 35 | 59
Fishing | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Fishing | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Fishing | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Electricity, Gas and Water | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 37,087 | 15,404
Electricity, Gas and Water | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 14,184 | 4,026
Electricity, Gas and Water | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 22,903 | 10,288
Electricity, Gas and Water | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,667 | 8,245
Electricity, Gas and Water | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,667 | 8,245
Electricity, Gas and Water | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,667 | 8,245
Electricity, Gas and Water | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 1,090
Electricity, Gas and Water | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 325,143 | 461,351
Electricity, Gas and Water | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 325,143 | 461,351
Electricity, Gas and Water | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,533 | 4,466
Electricity, Gas and Water | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Electricity, Gas and Water | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Electricity, Gas and Water | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Electricity, Gas and Water | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Electricity, Gas and Water | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Construction | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 571 | 1,194
Construction | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 178,444 |
Construction | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 210 | 680
Construction | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 277 | 455
Construction | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 178,444 |
Construction | FVOCI | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 178,444 |
Construction | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Construction | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 84 | 59
Construction | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,142,699 | 1,752,237
Construction | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 2,142,699 | 1,752,237
Construction | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Construction | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Construction | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Chilean Central Bank | FVOCI |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 92,824 | 135,145
Chilean Central Bank | FVOCI | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 92,824 | 135,145
Chilean Central Bank | FVOCI | Debt Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 92,824 | 135,145
Chilean Central Bank | Financial assets held-for-trading |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,024,525 | 1,434,986
Chilean Central Bank | Financial assets held-for-trading | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,024,525 | 1,434,986
Chilean Central Bank | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  | 742
Chilean Central Bank | Loans and advances to banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 630,053 | 1,100,831
Chilean Central Bank | Cash and due from banks |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 178,429 | 121,807
Chilean Central Bank | Chilean Central Bank |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 630,053 | 1,100,831
Chilean Central Bank | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Chilean Central Bank | Financial Instruments Available For Sale [Member] | Instruments Issued By Chilean Government And Central Bank [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Chilean Central Bank | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Chilean Central Bank | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Chilean Central Bank | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 25,768 | 15,706
Agriculture and livestock | Swaps | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 10,232 | 10,006
Agriculture and livestock | Forward Contract [Member] | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 14,103 | 4,211
Agriculture and livestock | Put Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Call Options | Derivative contracts for trading purposes |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,433 | 1,489
Agriculture and livestock | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,623,465 | 1,582,520
Agriculture and livestock | Commercial loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 1,623,465 | 1,582,520
Agriculture and livestock | Cash collateral on securities borrowed and reverse repurchase agreements |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 902 | 3,096
Agriculture and livestock | Financial Instruments Available For Sale [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Financial Instruments Available For Sale [Member] | Other instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Agriculture and livestock | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Retail | Loans to customers |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 13,739,060 | 12,488,234
Retail | Mortgages |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 9,206,727 | 8,052,073
Retail | Consumer loans |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets | 4,532,333 | 4,436,161
Retail | Instruments issued in Chile |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Retail | Instruments issued abroad |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |
Retail | Equity Instruments |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets |  |

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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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