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Employee Benefits (Details) - Schedule of changes in provisions for incentive plans - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Schedule of changes in provisions for incentive plans [Abstract] |  |
Balances as of January 1, | $ 43,941 | $ 51,051
Provisions established | 49,652 | 34,138
Provisions used | (40,524) | (41,248)
Provisions released |  |
Balances as of December 31, | $ 53,069 | $ 43,941

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- Definition The amount of provisions for short-term personnel benefits classified as incentive plans. + References No definition available. + Details
Name: | bch_ProvisionsForShortTermPersonnelBenefitsIncentivePlan
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition The amount of incentive plans provisions established. + References No definition available. + Details
Name: | bch_VacationProvisionsEstablished
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- 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

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