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Intangible Assets - Individual Business Segments (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 CLP ($) item	Dec. 31, 2017 CLP ($)
Intangible assets
Number of business segments | item	4
Goodwill	$ 16,714	$ 16,714
Retail
Intangible assets
Goodwill	5,928	5,928
Wholesale
Intangible assets
Goodwill	2,135	2,135
Treasury and money market operations
Intangible assets
Goodwill	4,513	4,513
Subsidiaries
Intangible assets
Goodwill	$ 4,138	$ 4,138

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- Definition

It represents the number of business segments of the entity.

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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.

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- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

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