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Employee Benefits (Details) - Schedule of changes in provisions for vacation - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Schedule of changes in provisions for vacation [Abstract] |  |
Balances as of January 1, | $ 33,993 | $ 27,609
Provisions established | 11,294 | 11,512
Provisions used | (8,277) | (5,128)
Provisions released |  |
Balances as of December 31, | $ 37,010 | $ 33,993

X
- Definition Provisions established + References No definition available. + Details
Name: | bch_ProvisionsEstablished
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of provisions for vacation accrual. + References No definition available. + Details
Name: | bch_ProvisionsForVacationAccrual
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of vacation provisions used. + References No definition available. + Details
Name: | bch_ProvisionsUsed
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Vacation provisions released. + References No definition available. + Details
Name: | bch_VacationProvisionsReleased
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration