XML 201 R93.htm IDEA: XBRL DOCUMENT v3.20.1

Summary of Significant Accounting Policies - Estimated useful life of assets (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property and Equipment
Estimated useful life	6 years
Buildings [Member]
Property and Equipment
Estimated useful life	50 years	50 years
Installations (in general) [Member]
Property and Equipment
Estimated useful life	10 years	10 years
Equipment [Member]
Property and Equipment
Estimated useful life	5 years	5 years
Office furniture [Member]
Property and Equipment
Estimated useful life	5 years	5 years

X

- Definition

Represents the information pertaining to estimated useful life of the assets, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	bch_UsefulLifeOfAssets
Namespace Prefix:	bch_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=bch_InstallationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=bch_EquipmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OfficeEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: