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v3.23.1

Expenses from salaries and employee benefits (Details) - Schedule of expense for employee benefit obligation - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule Of Expense For Employee Benefit Obligation Abstract |  |  |
Expenses for short-term employee benefit | $ 491,696 | $ 427,434 | $ 383,078
Expenses for employee benefits due to termination of employment contract | 27,381 | 16,221 | 22,994
Training expenses | 2,596 | 1,956 | 1,832
Expenses for nursery and kindergarten | 1,403 | 1,536 | 1,518
Other personnel expenses | 5,150 | 3,805 | 47,754
Total | $ 528,226 | $ 450,952 | $ 457,176

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- Definition Expenses for employee benefits due to termination of employment contract. + References No definition available. + Details
Name: | bch_ExpensesForEmployeeBenefitsDueToTerminationOfEmploymentContract
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Expenses for nursery and kindergarten. + References No definition available. + Details
Name: | bch_ExpensesForNurseryAndKindergarten
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Expenses for short-term employee benefit. + References No definition available. + Details
Name: | bch_ExpensesForShorttermEmployeeBenefit
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- 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_OtherPersonnelExpenses
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Adjustments to reconcile profit (loss)] + References No definition available. + Details
Name: | bch_OthersAdjustmentToReconcileProfitLoss
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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