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Current Taxes and Deferred Taxes (Details) - Schedule of reconciliation of effective tax rate - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of reconciliation of effective tax rate [Abstract]      
Income tax calculated on net income before tax (as a percent) 27.00% 27.00% 27.00%
Income tax calculated on net income before tax $ 136,310 $ 209,901 $ 206,116
Subordinated Debt Payment (as a percent) [1] (3.21%)
Subordinated Debt Payment [1] $ (24,515)
Additions or deductions (as a percent) [2] (7.76%) (5.10%) (4.18%)
Additions or deductions [2] $ (39,195) $ (39,612) $ (31,894)
Effect of changes in tax rate (as a percent)
Effect of changes in tax rate
Other (as a percent) 1.21% 0.43% 1.32%
Other $ 6,108 $ 3,372 $ 10,061
Effective rate and income tax expense (as a percent) 20.45% 22.34% 20.93%
Effective rate and income tax expense $ 103,223 $ 173,661 $ 159,768
[1] The tax expense related to the subordinated debt held by SAOS S.A, ended during the fiscal year 2019, as a result of the generation of sufficient resources to pay off the total debt.
[2] The deductions of the tax rate for 2018, 2019 and 2020 mainly relate to permanent differences between tax and financial accounting rules.