v3.26.1
Risk and Capital Management - Schedule of Maximum Exposure of Financial Assets to Credit Risk (Details) - BRL (R$)
R$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Financial assets R$ 2,880,511 R$ 2,673,301
At Amortized cost 2,042,788 1,912,804
Central Bank of Brazil deposits 167,275 160,698
Interbank deposits 66,195 66,931
Securities purchased under agreements to resell 280,595 243,220
Securities 329,965 327,507
Loan and lease operations 1,083,798 1,025,493
Other financial assets 164,029 136,713
(-) Provision for expected credit loss (49,069) (47,758)
At Fair value through other comprehensive income 132,473 106,303
Securities 132,473 106,303
At Fair value through profit or loss 705,250 654,194
Securities 628,774 560,143
Derivatives 73,384 92,439
Other financial assets 3,092 1,612
Financial liabilities - Provisions for financial guarantees, credit commitments and credits to be released (1,793) (4,928)
Off-balance sheet 715,869 623,729
Financial guarantees 134,105 123,915
Credit commitments and credits to be released 581,764 499,814
Total 3,594,587 3,292,102
Brazil    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Financial assets 2,382,665 2,089,980
At Amortized cost 1,700,211 1,500,797
Central Bank of Brazil deposits 167,275 160,698
Interbank deposits 26,394 26,709
Securities purchased under agreements to resell 277,940 238,593
Securities 309,312 302,599
Loan and lease operations 821,637 708,917
Other financial assets 139,618 103,711
(-) Provision for expected credit loss (41,965) (40,430)
At Fair value through other comprehensive income 61,370 31,268
Securities 61,370 31,268
At Fair value through profit or loss 621,084 557,915
Securities 603,439 533,887
Derivatives 14,553 22,416
Other financial assets 3,092 1,612
Financial liabilities - Provisions for financial guarantees, credit commitments and credits to be released (1,619) (4,298)
Off-balance sheet 629,007 537,015
Financial guarantees 106,456 95,890
Credit commitments and credits to be released 522,551 441,125
Total 3,010,053 2,622,697
Abroad    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Financial assets 497,846 583,321
At Amortized cost 342,577 412,007
Central Bank of Brazil deposits 0 0
Interbank deposits 39,801 40,222
Securities purchased under agreements to resell 2,655 4,627
Securities 20,653 24,908
Loan and lease operations 262,161 316,576
Other financial assets 24,411 33,002
(-) Provision for expected credit loss (7,104) (7,328)
At Fair value through other comprehensive income 71,103 75,035
Securities 71,103 75,035
At Fair value through profit or loss 84,166 96,279
Securities 25,335 26,256
Derivatives 58,831 70,023
Other financial assets 0 0
Financial liabilities - Provisions for financial guarantees, credit commitments and credits to be released (174) (630)
Off-balance sheet 86,862 86,714
Financial guarantees 27,649 28,025
Credit commitments and credits to be released 59,213 58,689
Total R$ 584,534 R$ 669,405