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Reporting Segments - Narrative (Details) - 12 months ended Dec. 31, 2024
CLF in Thousands, € in Millions
CLF
EUR (€)
CLP ($)
Reporting Segments [Line Items]      
Segment reporting, asset threshold | €   € 1,000  
Segment reporting, financial institutions, asset threshold | $     $ 10,000,000,000,000
Retail      
Reporting Segments [Line Items]      
Segment annual income threshold | CLF CLF 400    
Middle Market | Top of range      
Reporting Segments [Line Items]      
Segment reporting, annual sales threshold | CLF 400    
Middle Market | Bottom of range      
Reporting Segments [Line Items]      
Segment reporting, annual sales threshold | CLF CLF 100    
Corporate and Investment Banking (CIB) | Top of range      
Reporting Segments [Line Items]      
Segment reporting, annual sales threshold | €   500  
Corporate and Investment Banking (CIB) | Bottom of range      
Reporting Segments [Line Items]      
Segment reporting, EBITDA threshold | €   € 150