Contingencies and Commitments (Details) - Schedule of guarantees given in relation to subsidiary's business activities - CLP ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Shares delivered to cover simultaneous forward sales transactions:
Santiago Securities Exchange, Stock Exchange	$ 47,684	$ 85,302
Electronic Chilean Securities Exchange, Stock Exchange	20,227	6,843
Fixed income securities to guarantee CCLV system:
Fixed income securities to guarantee CCLV system, Santiago Securities Exchange, Stock Exchange	10,000	7,985
Shares delivered to guarantee equity lending and short-selling:
Shares delivered to guarantee equity lending, Electronic Chilean Securities Exchange, Stock Exchange	2,858	382
Total	$ 80,769	$ 100,512

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Guarantees given in relation to fixed income securities to ensure system loans.

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Amount of guarantees given in relation to shares delivered to ensure stock loans.

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Guarantee given in relation to shares to secure short-sale transactions in Securities Exchange of the Electronic Stock Exchange of Chile.

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Guarantee given in relation to shares to secure short-sale transactions in Securities Exchange of the Santiago Stock Exchange.

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Amount of guarantees given in relation to subsidiary's business activities.

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