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Financial Assets at Amortized Cost (Details) - Schedule of Financial Assets at Amortized Cost - CLP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Financial Assets at Amortized Cost [Line Items] |  |
Rights by resale agreements and securities lending | $ 71,822 | $ 54,061
Debt financial instruments | 1,431,083 | 902,355
Loans and advances to Banks | 2,519,931 | 2,174,792
Loans to customers: |  |
Commercial loans | 20,030,044 | 20,308,745
Residential mortgage loans | 12,310,768 | 11,422,322
Consumer loans | 5,310,462 | 4,995,230
Provisions established for credit risk: |  |
Loans and advances to Banks provisions | (1,341) | (1,641)
Commercial loans provisions | (259,641) | (321,467)
Mortgage loans provisions | (33,502) | (50,646)
Consumer loans provisions | (417,044) | (449,496)
Total | $ 40,962,582 | $ 39,034,255

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- Definition Represents the amount of commercial loans. + References No definition available. + Details
Name: | bch_CommercialLoansAmount
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Commercial loans provisions. + References No definition available. + Details
Name: | bch_CommercialLoansProvisions
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consumer loan. + References No definition available. + Details
Name: | bch_ConsumerLoan
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Consumer loans provisions. + References No definition available. + Details
Name: | bch_ConsumerLoansProvisions
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of debt financial instruments. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of loans and advances to banks. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of loans and advances to Banks provisions. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Mortgage loans provisions. + References No definition available. + Details
Name: | bch_MortgageLoansProvisions
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition Amount of residential mortgage loans. + References No definition available. + Details
Name: | bch_ResidentialMortgageLoansAmount
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of rights by resale agreements and securities lending. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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- Definition The amount of current financial assets measured at amortised cost. [Refer: Financial assets at amortised cost] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 8 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_f&doctype=Standard -URIDate 2023-03-23 + Details
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