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Equity (Details) - Schedule of basic and diluted earnings per share $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2021 CLP ($) $ / shares shares | Dec. 31, 2021 $ / shares | Dec. 31, 2020 CLP ($) $ / shares shares | Dec. 31, 2020 $ / shares | Dec. 31, 2019 CLP ($) $ / shares shares | Dec. 31, 2019 $ / shares
a) Basic earnings per share |  |  |  |  |  |
Total attributable to the shareholders of the Bank (in Pesos) | $ | $ 845,645 |  | $ 547,614 |  | $ 619,091 |
Weighted average number of outstanding shares (in Shares) | shares | 188,446,126,794 |  | 188,446,126,794 |  | 188,446,126,794 |
Basic earnings per share (in Ch$) |  | $ 4,487 |  | $ 2.906 |  | $ 3.285
Basic earnings per share from continuing operations (in Ch$) |  | 4,487 |  | 2.906 |  | 3.276
Basic earnings per share from discontinued operations (in Ch$) (in Pesos per share) |  |  |  |  | $ 0.009 |
b) Diluted earnings per share |  |  |  |  |  |
Total attributable to the shareholders of the Bank (in Pesos) | $ | $ 845,645 |  | $ 547,614 |  | $ 619,091 |
Weighted average number of outstanding shares (in Shares) | shares | 188,446,126,794 |  | 188,446,126,794 |  | 188,446,126,794 |
Adjusted number of shares (in Shares) | shares | 188,446,126,794 |  | 188,446,126,794 |  | 188,446,126,794 |
Diluted earnings per share (in Ch$) |  | 4,487 |  | 2,906 |  | 3,285
Diluted earnings per share from continuing operations (in Ch$) |  | $ 4,487 |  | $ 2,906 |  | $ 3,276
Diluted earnings per share from discontinued operations (in Ch$) (in Pesos per share) |  |  |  |  | $ 0.009 |

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