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v3.23.1

Financial Assets at Amortized Cost (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Commercial loan | $ 3,297,016 | $ 3,024,118
Loan to Customer [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Financial leases for real estate | 910,492 | 810,969
Financial leases for other assets | 872,092 | 802,316
Contingency amount equivalent |  | 30,980
Resale agreement [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Fair value instruments received amounts | 53,173 | 65,531
Central Bank of Chile [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Fair value instruments received amounts | 560,434 | 456,057
Financial Lease Contracts [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Total overdue portfolio | $ 5,907 | $ 4,178
Bottom of range [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Leases contracts term | 2 years |
Top of range [Member] |  |
Financial Assets at Amortized Cost (Details) [Line Items] |  |
Leases contracts term | 15 years |

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- Definition Commercial loans including industrial and agricultural, real estate (commercial and residential, construction and development), trade financing, and lease financing. + References No definition available. + Details
Name: | bch_CommercialLoans
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of money they receive as payment. + References No definition available. + Details
Name: | bch_ContingencyAmountEquivalent
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Fair value of the instruments. + References No definition available. + Details
Name: | bch_FairValueOfInstruments
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The amount of financial leases for other assets. + References No definition available. + Details
Name: | bch_FinancialLeasesForOtherAssets
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition Overdue becomes late or past due the day when the deadline passes and you still have not received payment. + References No definition available. + Details
Name: | bch_OverDueAmount
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of receivables related to finance leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_FinanceLeaseReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=bch_LoanToCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis=bch_ResaleAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis=bch_CentralBankOfChileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_LeaseContractualTermAxis=bch_FinancialLeaseContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |