Reporting Segments (Details Textual) $ in Millions	12 Months Ended
Dec. 31, 2019 CLP ($)
Retail Banking [Member]
Reporting Segments (Textual)
Revenue	$ 1,200
Middle Market [Member] \| Bottom of range [Member]
Reporting Segments (Textual)
Revenue	1,200
Middle Market [Member] \| Top of range [Member]
Reporting Segments (Textual)
Revenue	1,200
GlobalCorporateBanking1[Member]
Reporting Segments (Textual)
Revenue	$ 10,000

Expiry date 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. Effective 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details