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Other Financial Obligations (Details) - Schedule of other financial obligations - CLP ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Schedule of other financial obligations [Abstract]
Other Chilean obligations	$ 274,395	$ 191,258
Public sector obligations	223	455
Total	$ 274,618	$ 191,713

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- Definition

Other domestic obligations that the entity does not separately disclose in the same statement or note.

+ References

No definition available.

+ Details

Name:	bch_OtherDomesticObligations
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

The amount of public sector obligations.

+ References

No definition available.

+ Details

Name:	bch_PublicSectorFinancialLiabilities
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	bch_ScheduleOfOtherFinancialObligationsAbstract
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of financial liabilities that the entity does not separately disclose in the same statement or note.

+ References

No definition available.

+ Details

Name:	bch_TotalLiabilities
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant