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Segment Information (Details 1) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]      
Non-current assets R$ 30,881 R$ 28,073  
Income related to financial operations 225,726 144,514 R$ 123,611
Income related to insurance and private pension operations before claim and selling expenses 5,938 5,354 4,488
Commissions and Banking Fees R$ 46,378 42,324 38,557
Maximum revenue percentage represented by clients 10.00%    
Brazil [Member]      
IfrsStatementLineItems [Line Items]      
Non-current assets R$ 30,230 21,390  
Income related to financial operations 174,118 117,094 104,364
Income related to insurance and private pension operations before claim and selling expenses 5,093 5,332 4,488
Commissions and Banking Fees 31,928 37,744 34,624
Abroad [Member]      
IfrsStatementLineItems [Line Items]      
Non-current assets 651 6,683  
Income related to financial operations 51,608 27,420 19,247
Income related to insurance and private pension operations before claim and selling expenses 845 22  
Commissions and Banking Fees R$ 14,450 R$ 4,580 R$ 3,933