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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
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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

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