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Employee Benefits - Schedule of Vacation Provision (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Vacation Provision [Abstract] |  |
Balances as of January 1 | $ 43,257 | $ 41,257
Net provisions established | 8,433 | 10,250
Provisions used | (8,866) | (8,250)
Total | $ 42,824 | $ 43,257

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

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

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

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

X
- Definition Amount of vacation provision amount net. + References No definition available. + Details
Name: | bch_VacationProvisionAmountNet
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant