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Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired - Stage 2 [Member]
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Collective Marks [Member] | Mortgages [member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages 28.19% 28.41%
Collective Marks [Member] | Mortgages [member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Collective Marks [Member] | Mortgages [member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Collective Marks [Member] | Revolving Credit Cards [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Revolving (Credit cards) 16.91% 11.28%
Collective Marks [Member] | Revolving Credit Cards [Member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Collective Marks [Member] | Revolving Credit Cards [Member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Collective Marks [Member] | Overall monitornig SME [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, SME 49.32% 36.05%
Other commercial, Mortgages Clients considered to be substandard or in incompliance (pre-legal action)  
Collective Marks [Member] | Overall monitornig SME [Member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Collective Marks [Member] | Overall monitornig SME [Member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Expected credit losses individually assessed [member] | Mortgages [member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Other loans 49.32% 36.05%
Expected credit losses individually assessed [member] | Mortgages [member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Expected credit losses individually assessed [member] | Mortgages [member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Expected credit losses individually assessed [member] | Corporate Corporate SME [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Corporate loans, SME 18.50% 19.60%
Other commercial, Mortgages Clients considered to be substandard or in incompliance (pre-legal action)  
Expected credit losses individually assessed [member] | Corporate Corporate SME [Member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Expected credit losses individually assessed [member] | Corporate Corporate SME [Member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Expected credit losses individually assessed [member] | Corporate Middle market [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Corporate loans, Middle market 16.36% 13.26%
Other commercial, Mortgages Clients considered to be substandard or in incompliance (pre-legal action)  
Expected credit losses individually assessed [member] | Corporate Middle market [Member] | Irregular portfolio > 30 days [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Irregular portfolio > 30 days  
Expected credit losses individually assessed [member] | Corporate Middle market [Member] | Restructured marked for monitoring [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Other commercial, Mortgages Restructured  marked for monitoring  
Expected credit losses individually assessed [member] | Corporate Corporate and Investment Banking [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Corporate loans,Corporate and Investment Banking   Santander Group criteria
Expected credit losses individually assessed [member] | Corporate loans Corporate and Investment Banking [Member]    
Risk Management (Details) - Schedule of Residual Maturity Over Measured that have not Expired [Line Items]    
Corporate loans,Corporate and Investment Banking Santander Group criteria