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v3.25.1

Risk Management and Report - Schedule of use of Cross Currency Funding (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Maximum [Member] |
Schedule of use of Cross Currency Funding [Line Items] |
Cross Currency Funding | $ 1,471
Minimum [Member] |
Schedule of use of Cross Currency Funding [Line Items] |
Cross Currency Funding | 112
Average [Member] |
Schedule of use of Cross Currency Funding [Line Items] |
Cross Currency Funding | $ 737

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- Definition Cross currency funding. + References No definition available. + Details
Name: | bch_CrossCurrencyFunding
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

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