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Current Accounts and Other Demand Deposits (Details) - CLP ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current Accounts and Other Demand Deposits [abstract]
Current accounts	$ 8,951,527	$ 7,725,465
Other demand deposits	1,662,950	1,143,414
Other deposits and accounts	711,656	715,609
Total	$ 11,326,133	$ 9,584,488

X

- Definition

Deposits from customers that are current accounts and other demand deposits.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

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X

- Definition

The amount of balances in customers' current accounts held by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
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- Definition

The amount of balances in customers' demand deposits held by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
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- Definition

The amount of balances in customers' deposit accounts held by the entity that the entity does not separately disclose in the same statement or note.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
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