Investments in Associates and Other Companies (Details) - CLP ($) $ in Millions	1 Months Ended
Jun. 22, 2021	Apr. 22, 2021
Disclosure of interests in other entities [text block] [Abstract]
Approved a capital increase		$ 30,000
Board of directors description	In June 22, 2021, at the ordinary Board of Directors meeting, the Bank approved the contribution, the first contribution was made on July for MCh$2,500 and the second on September for MCh$4,999.

The increase (decrease) in investment property resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Investment property]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2021-01-01
-Paragraph 76
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76_e&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2021-01-01
-Paragraph 79
-Subparagraph d
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d_vi&doctype=Standard
-URIDate 2021-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration