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Risk Management (Details) - Schedule of amortized costs and net loss of modified financial assets $ in Millions | 12 Months Ended
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Dec. 31, 2021 CLP ($)
Schedule of amortized costs and net loss of modified financial assets [Abstract] |
Amortized costs of financial assets modified during the period | $ 122,014
Net modification loss | $ 24,594

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- Definition The amount of amortised costs of financial assets modified during the period. + References No definition available. + Details
Name: | bch_AmortisedCostsOfFinancialAssetsModified
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of net modification loss. + References No definition available. + Details
Name: | bch_NetModificationLoss
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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