Risk and Capital Management - Schedule of Breakdown of Indicators of Credit Quality (Details) - BRL (R$)
R$ in Millions |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 1,083,798
|
R$ 1,025,493
|
| Percentage of loan operations and lease operations portfolio |
100.00%
|
100.00%
|
| Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 655,693
|
R$ 599,898
|
| Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 310,745
|
R$ 300,541
|
| Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Percentage of loan operations and lease operations portfolio |
100.00%
|
100.00%
|
| Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Percentage of loan operations and lease operations portfolio |
100.00%
|
100.00%
|
| Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Percentage of loan operations and lease operations portfolio |
100.00%
|
100.00%
|
| Loan operations |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 1,083,798
|
R$ 1,025,493
|
| Percentage of loan operations and lease operations portfolio |
60.20%
|
62.20%
|
| Loan operations | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 380,288
|
R$ 357,633
|
| Loan operations | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
230,284
|
222,286
|
| Financial guarantees |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 134,105
|
R$ 123,915
|
| Percentage of loan operations and lease operations portfolio |
7.50%
|
7.50%
|
| Financial guarantees | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 108,508
|
R$ 98,568
|
| Financial guarantees | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
24,694
|
24,529
|
| Credit commitments |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 581,764
|
R$ 499,814
|
| Percentage of loan operations and lease operations portfolio |
32.30%
|
30.30%
|
| Credit commitments | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 166,897
|
R$ 143,697
|
| Credit commitments | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
55,767
|
53,726
|
| Total assets |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 1,799,667
|
R$ 1,649,222
|
| Percentage of loan operations and lease operations portfolio |
100.00%
|
100.00%
|
| Stage 1 | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 1,687,452
|
R$ 1,479,306
|
| Stage 1 | Stage 1 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
629,904
|
569,199
|
| Stage 1 | Stage 1 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
289,953
|
271,145
|
| Stage 1 | Loan operations | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 981,017
|
R$ 876,653
|
| Percentage of loan operations and lease operations portfolio |
58.10%
|
59.30%
|
| Stage 1 | Loan operations | Stage 1 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 359,265
|
R$ 332,440
|
| Stage 1 | Loan operations | Stage 1 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
210,945
|
196,464
|
| Stage 1 | Financial guarantees | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 129,948
|
R$ 119,345
|
| Percentage of loan operations and lease operations portfolio |
7.70%
|
8.00%
|
| Stage 1 | Financial guarantees | Stage 1 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 104,710
|
R$ 94,564
|
| Stage 1 | Financial guarantees | Stage 1 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
24,336
|
23,965
|
| Stage 1 | Credit commitments | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 576,487
|
R$ 483,308
|
| Percentage of loan operations and lease operations portfolio |
34.20%
|
32.70%
|
| Stage 1 | Credit commitments | Stage 1 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 165,929
|
R$ 142,195
|
| Stage 1 | Credit commitments | Stage 1 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
54,672
|
50,716
|
| Stage 2 | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
60,574
|
111,267
|
| Stage 2 | Stage 2 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
10,789
|
15,451
|
| Stage 2 | Stage 2 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
11,714
|
17,400
|
| Stage 2 | Loan operations | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 54,944
|
R$ 93,709
|
| Percentage of loan operations and lease operations portfolio |
90.70%
|
84.20%
|
| Stage 2 | Loan operations | Stage 2 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 9,746
|
R$ 13,237
|
| Stage 2 | Loan operations | Stage 2 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
10,329
|
14,004
|
| Stage 2 | Financial guarantees | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 573
|
R$ 1,495
|
| Percentage of loan operations and lease operations portfolio |
1.00%
|
1.40%
|
| Stage 2 | Financial guarantees | Stage 2 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 257
|
R$ 959
|
| Stage 2 | Financial guarantees | Stage 2 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
315
|
534
|
| Stage 2 | Credit commitments | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 5,057
|
R$ 16,063
|
| Percentage of loan operations and lease operations portfolio |
8.30%
|
14.40%
|
| Stage 2 | Credit commitments | Stage 2 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 786
|
R$ 1,255
|
| Stage 2 | Credit commitments | Stage 2 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
1,070
|
2,862
|
| Stage 3 | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
51,641
|
58,649
|
| Stage 3 | Stage 3 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
15,000
|
15,248
|
| Stage 3 | Stage 3 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
9,078
|
11,996
|
| Stage 3 | Loan operations | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 47,837
|
R$ 55,131
|
| Percentage of loan operations and lease operations portfolio |
92.60%
|
94.00%
|
| Stage 3 | Loan operations | Stage 3 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 11,277
|
R$ 11,956
|
| Stage 3 | Loan operations | Stage 3 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
9,010
|
11,818
|
| Stage 3 | Financial guarantees | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 3,584
|
R$ 3,075
|
| Percentage of loan operations and lease operations portfolio |
7.00%
|
5.20%
|
| Stage 3 | Financial guarantees | Stage 3 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 3,541
|
R$ 3,045
|
| Stage 3 | Financial guarantees | Stage 3 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
43
|
30
|
| Stage 3 | Credit commitments | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 220
|
R$ 443
|
| Percentage of loan operations and lease operations portfolio |
0.40%
|
0.80%
|
| Stage 3 | Credit commitments | Stage 3 | Companies |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 182
|
R$ 247
|
| Stage 3 | Credit commitments | Stage 3 | Foreign loans - Latin America | Residents abroad |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
25
|
148
|
| Individuals |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
833,229
|
748,783
|
| Individuals | Loan operations |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
473,226
|
445,574
|
| Individuals | Financial guarantees |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
903
|
818
|
| Individuals | Credit commitments |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
359,100
|
302,391
|
| Individuals | Stage 1 | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
767,595
|
638,962
|
| Individuals | Stage 1 | Loan operations | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
410,807
|
347,749
|
| Individuals | Stage 1 | Financial guarantees | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
902
|
816
|
| Individuals | Stage 1 | Credit commitments | Stage 1 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
355,886
|
290,397
|
| Individuals | Stage 2 | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
38,071
|
78,416
|
| Individuals | Stage 2 | Loan operations | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
34,869
|
66,468
|
| Individuals | Stage 2 | Financial guarantees | Stage 2 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
1
|
2
|
| Individuals | Stage 2 | Credit commitments |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
3,201
|
11,946
|
| Individuals | Stage 3 | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
27,563
|
31,405
|
| Individuals | Stage 3 | Loan operations | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
27,550
|
31,357
|
| Individuals | Stage 3 | Financial guarantees | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
0
|
0
|
| Individuals | Stage 3 | Credit commitments |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
|
R$ 48
|
| Individuals | Stage 3 | Credit commitments | Stage 3 |
|
|
| Disclosure of financial assets [line items] |
|
|
| Loan operations and lease operations portfolio |
R$ 13
|
|