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Related Party Disclosures (Details)	12 Months Ended
	Dec. 31, 2022
Disclosure Of Related Party Text Block Abstract
Participation exceeds, Percentage	5.00%
Reaches or exceeds percentage	5.00%

X

- References

No definition available.

+ Details

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

X

- Definition

Participation exceeds, Percentage.

+ References

No definition available.

+ Details

Name:	bch_ParticipationExceedsPercentage
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reaches or exceeds percentage.

+ References

No definition available.

+ Details

Name:	bch_ReachesOrExceedsPercentage
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration