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Intangible Assets (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 CLP ($)	Dec. 31, 2019
Intangible Assets (Details) [Line Items]
Number of business segments	4	4
Assumed market share percentage at year six and onwards	17.00%
Discount rate was computed by using CAPM	7.10%
Discount rate from bank	7.20%
Discount rate (real terms) percentage computed by using CAPM	9.00%
Bank sensitivity analysed discounts rates one	8.00%
Bank sensitivity analysed discounts rates two	10.00%
Individual Business Segment | Citibank Chile
Intangible Assets (Details) [Line Items]
Goodwill (in Pesos)	$ 12,576

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- Definition

The assumed market share percentage at year six and onwards which is using as key assumptions for determining the value in use for impairment testing purposes.

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- Definition

Bank carries out a sensitivity analysis by setting discounts rates.

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Bank carries out a sensitivity analysis by setting discounts rates.

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- Definition

Discount Rate of Bank

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- Definition

This discount rate (real terms) was computed by using Capital Asset Pricing Model ("CAPM") in order to determine the cost of equity or discount rate for shareholders' cash flows in fiscal year.

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This discount rate was computed by using Capital Asset Pricing Model ("CAPM") in order to determine the cost of equity or discount rate for shareholders' cash flows in fiscal year.

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- Definition

It represents the number of business segments of the entity.

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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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