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Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans | 12 Months Ended
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Dec. 31, 2022
Consumer loans - secured and unsecured [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 6 months
Other transactions - unsecured [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 24 months
Commercial loans - secured [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 36 months
Residential mortgage loans [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 48 months
Consumer leases [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 6 months
Other non-real estate lease transactions [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 12 months
Real estate leases (commercial or residential) [Member] |
Summary of Significant Accounting Policies (Details) - Schedule of maximum period for write-offs of loans [Line Items] |
Maximum period allowed to written off loans | 36 months

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- Definition The maximum period in which loans are written off, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | ifrs-full_ClassesOfAssetsAxis=bch_OtherTransactionsUnsecuredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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- Details
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
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Period Type: |

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- Details
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Balance Type: |
Period Type: |