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

Percentage of distributable net income to be capitalized.

No definition available.

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

The amount of dividends paid per ordinary share.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 34
-IssueDate 2022-03-24
-Paragraph 16A
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2022-en-r&anchor=para_16A_f&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_DividendsPaidOrdinarySharesPerShare
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

The number of shares issued by the entity, for which full payment has been received.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 79
-Subparagraph a
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_ii&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_NumberOfSharesIssuedAndFullyPaid
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

A component of equity representing the entity’s undistributed profit or loss for the reporting period. [Refer: Retained earnings; Profit (loss)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_RetainedEarningsProfitLossForReportingPeriod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The gains (losses) included in earning that represent the difference between the sale price and the carrying value of consumer loans. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585