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Employee Benefits - Schedule of Other Benefits Provision (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Other Benefits Provision [Abstract] |  |
Balances as of January 1 | $ 30,096 | $ 14,119
Net provisions established | 54,571 | 54,366
Provisions used | (52,542) | (38,389)
Total | $ 32,125 | $ 30,096

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- Definition Amount of net provisions established. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of other benefits amount. + References No definition available. + Details
Name: | bch_OtherBenefitsAmount
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of other benefits of provision. + References No definition available. + Details
Name: | bch_OtherBenefitsofProvision
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of provisions used other benefit. + References No definition available. + Details
Name: | bch_ProvisionsUsedOthereBenefit
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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