Name:	bch_CommercialLoans
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of consumer loans made by the entity. [Refer: Loans to consumers [member]]

No definition available.

Name:	bch_ConsumersLoans
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	bch_ContingentLoansAbstract
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of expense of provisions established for credit risk.

No definition available.

Name:	bch_ExpenseOfProvisionsEstablishedForCreditRisk
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of impairment loss recognised in other comprehensive income. Impairment loss on a revalued asset is recognised in other comprehensive income to the extent that the impairment loss does not exceed the amount in the revaluation surplus for that same asset. [Refer: Impairment loss; Revaluation surplus; Other comprehensive income]

No definition available.

Name:	bch_ImpairmentsForCreditRiskFromFinancialAssetsAtFairValueOtherComprehensiveIncome
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

Name:	bch_LoansAndAdvancesToBanksAbstract0
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of net established provisions.

No definition available.

Name:	bch_ProvisionsEstablished
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The Amount of Provisions Released Net.

No definition available.

Name:	bch_ProvisionsReleased
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

Name:	bch_RecoveryOfWrittenOffCreditsAbstract
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of residential mortgage loans.

No definition available.

Name:	bch_ResidentialMortgageLoans
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of sub total.

No definition available.

Name:	bch_Subtotal
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of deferred tax related to items credited (charged) directly to equity. [Refer: Deferred tax expense (income)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 81
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_a&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

The amount of loans and advances the entity has made to banks.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_LoansAndAdvancesToBanks
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 81
-Subparagraph g
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_NetDeferredTaxLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis=bch_EvaluationIndividualMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=bch_LoansAndAdvancesToBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=bch_LoansOnCommercialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=bch_ResidentialMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_ConsumerLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=bch_ContingentLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis=bch_EvaluationGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis=bch_SubtotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: