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Derivative Instruments and Accounting Hedges (Details) - Schedule of Details of the Hedged elements and hedge instruments under fair value hedges - Fair value hedge - CLP ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Commercial loans [Member] |  |
Hedged element |  |
Notional Amounts | $ 1,788 | $ 5,031
Corporate bonds |  |
Hedged element |  |
Notional Amounts |  | 29,508
Cross currency swap |  |
Hedged element |  |
Notional Amounts | 1,788 | 5,031
Interest rate swap |  |
Hedged element |  |
Notional Amounts |  | $ 29,508

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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 nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |