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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
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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

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