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v3.20.1

Other Operating Expenses (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Provisions and expenses for assets received in lieu of payment |  |  |
Provisions for assets received in lieu of payment | $ 3,246 | $ 3,930 | $ 2,307
Expenses to maintain assets received in lieu of payment | 1,225 | 1,749 | 791
Subtotal | 4,471 | 5,679 | 3,098
Provisions for contingencies |  |  |
Country risk provisions |  |  |
Other provisions | 33 | 3 |
Subtotal | 33 | 3 |
Other expenses |  |  |
Write-offs for operating risks | 5,561 | 11,378 | 6,360
Leasings operational expenses | 5,111 | 4,504 | 10,152
Card administration | 2,490 | 2,640 | 2,890
Correspondent banks | 1,569 | 882 | 857
Expenses for leased assets recoveries | 1,072 | 2,287 | 1,115
Others | 3,543 | 2,213 | 1,396
Subtotal | 19,346 | 23,904 | 22,770
Total | $ 23,850 | $ 29,586 | $ 25,868

X
- Definition The amount of expense arising from card administration. + References No definition available. + Details
Name: | bch_CardAdministrationExpenses
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of 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 Country risk provisions. + References No definition available. + Details
Name: | bch_CountryRiskProvisions
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of expenses to maintain assets received in lieu of payment. + References No definition available. + Details
Name: | bch_ExpensesToMaintainAssetsReceivedInLieuOfPayment
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of other expenses subtotal. + References No definition available. + Details
Name: | bch_OtherExpensesSubtotal
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of other operating expenses classified as other. + References No definition available. + Details
Name: | bch_OtherOperatingExpensesOther
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

X
- Definition Amount of provisions and expenses for assets received in lieu of payment subtotal. + References No definition available. + Details
Name: | bch_ProvisionsAndExpensesForAssetsReceivedInLieuOfPaymentSubTotal
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provisions for assets received in lieu of payment. + References No definition available. + Details
Name: | bch_ProvisionsForAssetsReceivedInLieuOfPayment
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Provisions for contingencies subtotal amount. + References No definition available. + Details
Name: | bch_SubtotalAmountOfProvisionsForContingencies
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense arising from write-offs for operating risks. + References No definition available. + Details
Name: | bch_WriteOffsForOperatingRisksExpenses
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of miscellaneous other operating expenses. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration