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Equity (Details) - Schedule of Shareholder Composition - shares
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 175,646,161,923 168,600,275,923 167,735,787,923
American Depository Receipts (ADRs) [1] 12,799,964,871 19,845,850,871 20,710,338,871
Total 188,446,126,794 188,446,126,794 188,446,126,794
Percentage of equity holding 10000.00% 100.00% 100.00%
Santander Chile Holding S.A. [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 66,822,519,695 66,822,519,695 66,822,519,695
American Depository Receipts (ADRs) [1]
Total 66,822,519,695 66,822,519,695 66,822,519,695
Percentage of equity holding 3546.00% 35.46% 35.46%
Teatinos Siglo XXI Inversiones Limitada [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 59,770,481,573    
American Depository Receipts (ADRs) [1]    
Total 59,770,481,573    
Percentage of equity holding 3172.00%    
The Bank New York Mellon [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares
American Depository Receipts (ADRs) [1] 12,799,964,871 19,845,850,871 20,710,338,871
Total 12,799,964,871 19,845,850,871 20,710,338,871
Percentage of equity holding 679.00% 10.53% 10.99%
Bancos por cuenta de terceros [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 19,416,795,808    
Total 19,416,795,808    
Percentage of equity holding 1030.00%    
AFP por cuentas de terceros [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 18,392,349,767    
Total 18,392,349,767    
Percentage of equity holding 976.00%    
Corredoras de bolsa por cuenta de terceros [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 5,029,151,233    
Total 5,029,151,233    
Percentage of equity holding 267.00%    
Other minority holders [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares 6,214,863,847 5,300,582,822 6,004,554,283
American Depository Receipts (ADRs) [1]
Total 6,214,863,847 5,300,582,822 6,004,554,283
Percentage of equity holding 330.00% 2.81% 3.18%
Teatinos Siglo XXI Inversiones Limitada [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares   59,770,481,573 59,770,481,573
American Depository Receipts (ADRs) [1]  
Total   59,770,481,573 59,770,481,573
Percentage of equity holding   31.72% 31.72%
Banks on behalf of third parties [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares   16,841,385,216 17,318,500,798
American Depository Receipts (ADRs) [1]  
Total   16,841,385,216 17,318,500,798
Percentage of equity holding   8.94% 9.19%
Pension funds (AFP) on behalf of third parties [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares   13,742,809,166 11,949,134,854
American Depository Receipts (ADRs) [1]  
Total   13,742,809,166 11,949,134,854
Percentage of equity holding   7.29% 6.34%
Stock brokers on behalf of third parties [Member]      
Equity (Details) - Schedule of Shareholder Composition [Line Items]      
Shares   6,122,497,451 5,870,596,720
American Depository Receipts (ADRs) [1]  
Total   6,122,497,451 5,870,596,720
Percentage of equity holding   3.25% 3.12%
[1] American Depository Receipts (ADR) are certificates issued by a U.S. commercial bank to be traded on the U.S. securities markets.