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Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency - Senior Bonds [Member] - CLP ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments $ 7,080,472 $ 6,846,834
Santander bonds in UF [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 3,510,708 3,144,544
Santander bonds in USD [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 2,215,515 1,976,909
Santander bonds in CHF [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 644,780 850,924
Santander bonds in Ch [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 223,467 311,060
Santander bonds in AUD [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 122,611 143,030
Current bonds in JPY [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments 203,512 234,667
Santander bonds in EUR [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of senior bonds by currency [Line Items]    
Issued debt instruments $ 159,879 $ 185,700