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Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency - Senior Bonds [Member] - CLP ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments $ 7,925,385 $ 7,080,472
Santander bonds in UF [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 3,632,979 3,510,708
Santander bonds in USD [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 2,424,045 2,215,515
Santander bonds in CHF [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 637,203 644,780
Santander bonds in Ch [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 619,386 223,467
Santander bonds in AUD [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 116,515 122,611
Current bonds in JPY [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments 323,922 203,512
Santander bonds in EUR [Member]    
Financial Liabilities at Amortised Cost (Details) - Schedule of Senior Bonds by Currency [Line Items]    
Issued debt instruments $ 171,335 $ 159,879