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Financial Instruments at Amortized Cost (Details) - Schedule of credit ratings of the issuers of instruments assets at amortized cost - CLP ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Stage 1 Individual [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost | $ 839,744 |
Stage 1 Individual [Member] | Investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost | 839,744 |
Stage 1 Individual [Member] | Non-investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 1 Individual [Member] | Without rating [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 2 Individual [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 2 Individual [Member] | Investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 2 Individual [Member] | Non-investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 2 Individual [Member] | Without rating [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 3 Individual [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 3 Individual [Member] | Investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 3 Individual [Member] | Non-investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Stage 3 Individual [Member] | Without rating [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Total Individual [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost | 839,744 |
Total Individual [Member] | Investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost | 839,744 |
Total Individual [Member] | Non-investment grade [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |
Total Individual [Member] | Without rating [Member] |  |
Debt Instrument |  |
Financial instruments assets at amortized cost |  |

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

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- Definition The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 8 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_f&doctype=Standard -URIDate 2021-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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- Details
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- Details
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- Details
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Data Type: | na
Balance Type: |
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- Details
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- Details
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