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Equity (Details) - Schedule of dividends declared and paid - CLP ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of dividends declared and paid [Abstract] |  |  |  |
Dividends per ordinary shares |  | $ 350,538 | $ 356,311 | $ 374,079
Dividends per ordinary share | [1] | $ 3.47 | $ 3.53 | $ 3.76
[1] | Dividends per share are calculated by dividing the amount of the dividend paid during each year by the previous year’s number of shares outstanding.

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