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Segment Information (Details Narrative) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Segment Information    
Interest margin and similar income and expenses R$ 74,980 R$ 64,135
Net gains (loss) on investment securities and derivatives 32,011 29,145
Results from foreign exchange operation 3,143 4,432
Depreciation and amortization expenses 7,177 R$ 6,529
Interest and similar income and expenses 72,418  
Net gains (loss) on investment securities and derivatives 13,325  
Results from foreign exchange operation 1,280  
Depreciation and amortization expenses R$ 5,750  
Maximum revenue percentage represented by clients 10.00%