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v3.19.1

Loans and Advances to Banks, net (Details) $ in Thousands, $ in Millions | Dec. 31, 2018 USD ($) | Dec. 31, 2018 CLP ($) | Dec. 31, 2017 CLP ($)
--- | --- | --- | ---
Domestic Banks |  |  |
Subtotal |  | $ 99,776 | $ 119,998
Foreign Banks |  |  |
Subtotal |  | 293,777 | 289,107
Central Bank of Chile |  |  |
Subtotal |  | 1,100,831 | 350,916
Total | $ 2,154,533 | 1,494,384 | 760,021
Gross Balance |  |  |
Domestic Banks |  |  |
Interbank loans |  | 100,023 | 120,017
Foreign Banks |  |  |
Loans to foreign banks |  | 239,797 | 187,006
Credits with third countries |  | 41,872 | 61,091
Chilean export trade banks |  | 12,873 | 41,255
Central Bank of Chile |  |  |
Central Bank Deposits |  | 1,100,306 | 350,000
Other Central Bank credits |  | 525 | 916
Total |  | 1,495,396 | 760,285
Accumulated Amortization |  |  |
Domestic Banks |  |  |
Provisions for loans to domestic banks |  | (247) | (19)
Foreign Banks |  |  |
Provisions for loans to foreign banks |  | $ (765) | $ (245)

X
- Definition The amount of central bank deposits. + References No definition available. + Details
Name: | bch_CentralBankDeposits
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bch_CentralBankOfChileAbstract
Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of Chilean export trade banks. + References No definition available. + Details
Name: | bch_ChileanExportTradeBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of credits with third countries. + References No definition available. + Details
Name: | bch_CreditsWithThirdCountries
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bch_DomesticBanksAbstract
Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | bch_ForeignBanksAbstract
Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of loans outstanding with interbank. + References No definition available. + Details
Name: | bch_InterbankLoans
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of loans and advances with central bank of Chile. + References No definition available. + Details
Name: | bch_LoansAndAdvancesWithCentralBankOfChile
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of loans and advances with domestic banks. + References No definition available. + Details
Name: | bch_LoansAndAdvancesWithDomesticBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of loans and advances with foreign banks. + References No definition available. + Details
Name: | bch_LoansAndAdvancesWithForeignBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of loans outstanding with foreign banks. + References No definition available. + Details
Name: | bch_LoansToForeignBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of Other Central Bank credits. + References No definition available. + Details
Name: | bch_OtherCentralBankCredits
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of provisions for loans to domestic banks. + References No definition available. + Details
Name: | bch_ProvisionsForLoansToDomesticBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of provisions for loans to foreign banks. + References No definition available. + Details
Name: | bch_ProvisionsForLoansToForeignBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of loans and advances the entity has made to banks. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |