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v3.23.1

Non-current Assets and Disposal Groups Held for Sale and Liabilities Included in Disposal Groups for Sale (Details) - Schedule of provision for assets received in lieu of payment - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Schedule Of Provision For Assets Received In Lieu Of Payment Abstract |  |
Balance as of beginning balance | $ 1,020 | $ 506
Provisions used | (641) | (138)
Provisions established | 663 | 652
Provisions released |  |
Balance as of ending balance | $ 1,042 | $ 1,020

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- Definition The amount of provision for assets received balance. + References No definition available. + Details
Name: | bch_Provisionforassetsreceivedbalance
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The Amount of Provisions Released Net. + References No definition available. + Details
Name: | bch_ProvisionsReleased
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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