Risk management (Details 6) - BRL (R$)
R$ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
R$ 939
|
R$ 1,404
|
| Income debt instruments |
939
|
1,404
|
| Financial assets measured at fair value in profit or loss for trading |
193,289
|
159,210
|
| Profit or loss debt instruments |
138,473
|
125,551
|
| Profit or loss equity instruments |
115
|
40
|
| Profit or loss derivatives |
54,701
|
33,619
|
| Financial assets measured at fair value in other comprehensive income |
104,002
|
143,188
|
| Comprehensive income debt instruments |
104,002
|
143,188
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
837,230
|
819,017
|
| Loans and Other Amounts with Credit Institutions |
101,737
|
119,011
|
| Loans and advances to customers |
633,775
|
623,107
|
| Amortized cost debt instruments |
101,718
|
76,899
|
| Amortized cost total |
1,135,460
|
1,122,819
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
84,650
|
51,593
|
| Fair value in income held for trading derivatives |
35,270
|
12,196
|
| Short Positions |
49,380
|
39,397
|
| Financial liabilities at amortized cost |
1,096,159
|
1,043,065
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
128,747
|
131,052
|
| Customer deposits |
662,511
|
66,117
|
| Bonds and securities |
276,569
|
227,501
|
| Debt Instruments Eligible to Capital |
28,332
|
23,342
|
| Total |
1,180,809
|
1,094,658
|
| Later than one month and not later than three months [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
|
|
| Income debt instruments |
|
|
| Financial assets measured at fair value in profit or loss for trading |
14,994
|
10,844
|
| Profit or loss debt instruments |
14,994
|
10,844
|
| Profit or loss equity instruments |
|
|
| Profit or loss derivatives |
|
|
| Financial assets measured at fair value in other comprehensive income |
3,199
|
2,931
|
| Comprehensive income debt instruments |
3,199
|
2,931
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
100,040
|
114,080
|
| Loans and Other Amounts with Credit Institutions |
98,671
|
110,426
|
| Loans and advances to customers |
1,366
|
3,373
|
| Amortized cost debt instruments |
3
|
281
|
| Amortized cost total |
118,233
|
127,855
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
49,415
|
39,403
|
| Fair value in income held for trading derivatives |
35
|
6
|
| Short Positions |
49,380
|
39,397
|
| Financial liabilities at amortized cost |
218,140
|
222,840
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
448
|
505
|
| Customer deposits |
217,108
|
222,279
|
| Bonds and securities |
584
|
56
|
| Debt Instruments Eligible to Capital |
|
|
| Total |
267,555
|
262,243
|
| Later than three months and not later than six months [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
|
|
| Income debt instruments |
|
|
| Financial assets measured at fair value in profit or loss for trading |
51,830
|
7,206
|
| Profit or loss debt instruments |
19,991
|
1,550
|
| Profit or loss equity instruments |
36
|
17
|
| Profit or loss derivatives |
31,803
|
5,639
|
| Financial assets measured at fair value in other comprehensive income |
14,388
|
7,339
|
| Comprehensive income debt instruments |
14,388
|
7,339
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
133,537
|
163,232
|
| Loans and Other Amounts with Credit Institutions |
270
|
2,535
|
| Loans and advances to customers |
125,775
|
150,960
|
| Amortized cost debt instruments |
7,492
|
9,737
|
| Amortized cost total |
199,755
|
177,777
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
28,051
|
2,529
|
| Fair value in income held for trading derivatives |
28,051
|
2,529
|
| Short Positions |
|
|
| Financial liabilities at amortized cost |
134,803
|
130,959
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
39,510
|
32,408
|
| Customer deposits |
74,854
|
75,866
|
| Bonds and securities |
20,439
|
22,685
|
| Debt Instruments Eligible to Capital |
|
|
| Total |
162,854
|
133,488
|
| Later than six months and not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
128
|
121
|
| Income debt instruments |
128
|
121
|
| Financial assets measured at fair value in profit or loss for trading |
31,075
|
32,461
|
| Profit or loss debt instruments |
27,020
|
26,706
|
| Profit or loss equity instruments |
|
|
| Profit or loss derivatives |
4,055
|
5,755
|
| Financial assets measured at fair value in other comprehensive income |
20,046
|
6,576
|
| Comprehensive income debt instruments |
20,046
|
6,576
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
218,381
|
211,015
|
| Loans and Other Amounts with Credit Institutions |
1,745
|
2,863
|
| Loans and advances to customers |
192,447
|
181,405
|
| Amortized cost debt instruments |
24,189
|
26,747
|
| Amortized cost total |
269,630
|
250,173
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
1,414
|
1,958
|
| Fair value in income held for trading derivatives |
1,414
|
1,958
|
| Short Positions |
|
|
| Financial liabilities at amortized cost |
263,065
|
282,616
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
68,808
|
74,803
|
| Customer deposits |
143,942
|
158,729
|
| Bonds and securities |
50,315
|
49,084
|
| Debt Instruments Eligible to Capital |
|
|
| Total |
264,479
|
284,574
|
| Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
812
|
1,283
|
| Income debt instruments |
812
|
1,283
|
| Financial assets measured at fair value in profit or loss for trading |
62,476
|
66,004
|
| Profit or loss debt instruments |
46,850
|
48,954
|
| Profit or loss equity instruments |
80
|
23
|
| Profit or loss derivatives |
15,546
|
17,027
|
| Financial assets measured at fair value in other comprehensive income |
25,527
|
81,687
|
| Comprehensive income debt instruments |
25,527
|
81,687
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
265,159
|
223,938
|
| Loans and Other Amounts with Credit Institutions |
1,051
|
3,187
|
| Loans and advances to customers |
227,364
|
198,944
|
| Amortized cost debt instruments |
36,744
|
21,807
|
| Amortized cost total |
353,974
|
372,912
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
4,892
|
6,497
|
| Fair value in income held for trading derivatives |
4,892
|
6,497
|
| Short Positions |
|
|
| Financial liabilities at amortized cost |
373,958
|
325,846
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
18,894
|
22,099
|
| Customer deposits |
226,577
|
204,254
|
| Bonds and securities |
128,487
|
99,493
|
| Debt Instruments Eligible to Capital |
|
|
| Total |
378,850
|
332,343
|
| Above 5 Years [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets measured at fair value in income |
|
|
| Income debt instruments |
|
|
| Financial assets measured at fair value in profit or loss for trading |
32,914
|
42,695
|
| Profit or loss debt instruments |
29,617
|
37,497
|
| Profit or loss equity instruments |
|
|
| Profit or loss derivatives |
3,297
|
5,198
|
| Financial assets measured at fair value in other comprehensive income |
40,841
|
44,655
|
| Comprehensive income debt instruments |
40,841
|
44,655
|
| Comprehensive income equity instruments |
|
|
| Financial Assets Measured at Amortized Cost |
120,112
|
106,752
|
| Loans and Other Amounts with Credit Institutions |
|
|
| Loans and advances to customers |
86,822
|
88,425
|
| Amortized cost debt instruments |
33,290
|
18,327
|
| Amortized cost total |
193,867
|
194,102
|
| Financial Liabilities Measured at Fair Value in income Held for Trading |
878
|
1,206
|
| Fair value in income held for trading derivatives |
878
|
1,206
|
| Short Positions |
|
|
| Financial liabilities at amortized cost |
106,193
|
80,804
|
| Deposits from the Central Bank of Brazil and deposits from credit institutions |
1,087
|
1,237
|
| Customer deposits |
30
|
42
|
| Bonds and securities |
76,744
|
56,183
|
| Debt Instruments Eligible to Capital |
28,332
|
23,342
|
| Total |
R$ 107,071
|
R$ 82,010
|