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v3.23.1

Other operating Income and Expenses (Details) - Schedule of bank and its subsidiaries present other operating expenses - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule Of Bank And Its Subsidiaries Present Other Operating Expenses Abstract |  |  |
Write-offs for operating risks | $ 18,392 | $ 13,898 | $ 10,625
Card administration | 2,086 | 2,099 | 2,599
Correspondent banks | 3,321 | 2,614 | 1,804
Expenses for credit operations of financial leasing | 4,786 | 242 | 5,817
Legal expenses | 1,572 | 357 |
Expense of provisions for operational risk | 1,523 | 765 | 239
Tax fines | 402 | 5 | 5
Renegotiated loan insurance premium | 351 | 416 |
Life ensurance | 258 | 233 | 586
Expenses for charge-off leased assets recoveries | 130 | 583 | 210
Provisions for trials and litigation | 56 | 2 | 202
Contribution to other organisms | 10 | 257 | 331
Provision for pending operations | (197) | 1,236 | 55
Expense recovery from operational risk events | (6,050) | (4,010) | (5,422)
Others expenses | 1,061 | 651 | 2,226
Total | $ 27,701 | $ 19,348 | $ 19,277

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- Definition Card administration. + References No definition available. + Details
Name: | bch_CardAdministration
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contribution to other organisms. + References No definition available. + Details
Name: | bch_ContributionToOtherOrganisms
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Expense of provisions for operational risk. + References No definition available. + Details
Name: | bch_ExpenseOfProvisionsForOperationalRisk
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expense recovery from operational risk events. + References No definition available. + Details
Name: | bch_ExpenseRecoveryFromOperationalRiskEvents
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses for charge-off leased assets recoveries. + References No definition available. + Details
Name: | bch_ExpensesForChargeoffLeasedAssetsRecoveries
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses for credit operations of financial leasing. + References No definition available. + Details
Name: | bch_ExpensesForCreditOperationsOfFinancialLeasing
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Definition Amount of operating expense. + References No definition available. + Details
Name: | bch_OtherOperatingExpenseTotal
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature] + References No definition available. + Details
Name: | bch_OthersExpenses
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for pending operations. + References No definition available. + Details
Name: | bch_ProvisionForPendingOperations
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provisions for trials and litigation. + References No definition available. + Details
Name: | bch_ProvisionsForTrialsAndLitigation
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Renegotiated loan insurance premium. + References No definition available. + Details
Name: | bch_RenegotiatedLoanInsurancePremium
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Definition Write-offs for operating risks. + References No definition available. + Details
Name: | bch_WriteoffsForOperatingRisks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration