Derivative financial instruments (Details 1) - BRL (R$)
R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Swap contract [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional |
R$ 1,091,352,145
|
R$ 858,277,413
|
| Curve value |
(2,221,515)
|
(5,247,457)
|
| Financial assets, at fair value |
(297,630)
|
(35,508)
|
| Notional amount |
1,091,352,145
|
858,277,413
|
| Swap contract [member] | Trading Assets [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
9,298,735
|
11,989,199
|
| Financial assets, at fair value |
11,595,591
|
16,710,659
|
| Notional amount |
544,480,673
|
421,892,846
|
| Swap contract [member] | Trading Assets [Member] | C D I Interbank Deposit Rates [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
6,039,353
|
8,288,494
|
| Financial assets, at fair value |
6,846,017
|
9,155,516
|
| Notional amount |
424,253,131
|
212,769,602
|
| Swap contract [member] | Trading Assets [Member] | Foreign Currency [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
3,257,875
|
3,593,516
|
| Financial assets, at fair value |
4,746,233
|
7,449,012
|
| Notional amount |
118,489,312
|
207,863,441
|
| Swap contract [member] | Trading Assets [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
1,507
|
107,189
|
| Financial assets, at fair value |
3,341
|
106,131
|
| Notional amount |
1,738,230
|
1,259,803
|
| Swap contract [member] | Tradng Liabilities [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(11,520,250)
|
(17,236,656)
|
| Financial assets, at fair value |
(11,893,221)
|
(16,746,167)
|
| Notional amount |
546,871,472
|
436,384,567
|
| Swap contract [member] | Tradng Liabilities [Member] | C D I Interbank Deposit Rates [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(10,369,508)
|
(13,645,096)
|
| Financial assets, at fair value |
(10,349,447)
|
(13,848,265)
|
| Notional amount |
510,279,375
|
300,101,297
|
| Swap contract [member] | Tradng Liabilities [Member] | Foreign Currency [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(1,150,742)
|
(3,588,425)
|
| Financial assets, at fair value |
(1,353,372)
|
(2,726,684)
|
| Notional amount |
35,498,945
|
133,470,413
|
| Swap contract [member] | Tradng Liabilities [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
|
(3,135)
|
| Financial assets, at fair value |
(190,402)
|
(171,218)
|
| Notional amount |
1,093,152
|
2,812,857
|
| Option contract [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(2,364,529)
|
(1,728,092)
|
| Financial assets, at fair value |
341,643
|
505,859
|
| Notional amount |
724,241,728
|
538,580,487
|
| Option contract [member] | Purchased Position [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
4,436,345
|
2,889,580
|
| Financial assets, at fair value |
6,312,487
|
4,960,933
|
| Notional amount |
300,697,253
|
248,136,848
|
| Option contract [member] | Purchased Position [Member] | Call Option U S Dollar [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
2,152,833
|
1,170,432
|
| Financial assets, at fair value |
2,066,252
|
2,035,002
|
| Notional amount |
20,042,978
|
17,652,929
|
| Option contract [member] | Purchased Position [Member] | Put Option U S Dollar [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
855,034
|
449,432
|
| Financial assets, at fair value |
900,935
|
297,814
|
| Notional amount |
15,954,554
|
10,969,754
|
| Option contract [member] | Purchased Position [Member] | Call Option Other [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
887,741
|
769,593
|
| Financial assets, at fair value |
3,216,466
|
2,530,004
|
| Notional amount |
12,400,038
|
25,078,274
|
| Option contract [member] | Purchased Position [Member] | Call Option Other [Member] | Interbank Market [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
555,307
|
420,720
|
| Financial assets, at fair value |
2,287,818
|
1,456,616
|
| Notional amount |
5,677,984
|
4,228,408
|
| Option contract [member] | Purchased Position [Member] | Call Option Other [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
332,434
|
348,873
|
| Financial assets, at fair value |
928,648
|
1,073,388
|
| Notional amount |
6,722,054
|
20,849,866
|
| Option contract [member] | Purchased Position [Member] | Put Option Other [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
540,737
|
500,123
|
| Financial assets, at fair value |
128,834
|
98,113
|
| Notional amount |
252,299,683
|
194,435,891
|
| Option contract [member] | Purchased Position [Member] | Put Option Other [Member] | Interbank Market [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
113,366
|
111,802
|
| Financial assets, at fair value |
74,030
|
80,262
|
| Notional amount |
204,462
|
553,161
|
| Option contract [member] | Purchased Position [Member] | Put Option Other [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
427,371
|
388,321
|
| Financial assets, at fair value |
54,804
|
17,851
|
| Notional amount |
252,095,221
|
193,882,730
|
| Option contract [member] | Sold Position [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(6,800,874)
|
(4,617,672)
|
| Financial assets, at fair value |
(5,970,844)
|
(4,455,074)
|
| Notional amount |
423,544,475
|
290,443,639
|
| Option contract [member] | Sold Position [Member] | Call Option U S Dollar [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(629,651)
|
(597,168)
|
| Financial assets, at fair value |
(430,424)
|
(786,706)
|
| Notional amount |
11,780,868
|
10,516,526
|
| Option contract [member] | Sold Position [Member] | Put Option U S Dollar [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(637,961)
|
(555,932)
|
| Financial assets, at fair value |
(681,040)
|
(275,212)
|
| Notional amount |
12,130,582
|
11,046,513
|
| Option contract [member] | Sold Position [Member] | Call Option Other [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(4,452,630)
|
(2,868,865)
|
| Financial assets, at fair value |
(3,443,887)
|
(3,203,477)
|
| Notional amount |
90,098,059
|
57,500,051
|
| Option contract [member] | Sold Position [Member] | Call Option Other [Member] | Interbank Market [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(2,505,829)
|
(2,104,995)
|
| Financial assets, at fair value |
(1,845,726)
|
(1,578,796)
|
| Notional amount |
25,152,891
|
21,145,788
|
| Option contract [member] | Sold Position [Member] | Call Option Other [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(1,946,801)
|
(763,870)
|
| Financial assets, at fair value |
(1,598,161)
|
(1,624,681)
|
| Notional amount |
64,945,168
|
36,354,263
|
| Option contract [member] | Sold Position [Member] | Put Option Other [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(1,080,632)
|
(595,707)
|
| Financial assets, at fair value |
(1,415,493)
|
(189,679)
|
| Notional amount |
309,534,966
|
211,380,549
|
| Option contract [member] | Sold Position [Member] | Put Option Other [Member] | Interbank Market [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(239,648)
|
(155,776)
|
| Financial assets, at fair value |
(507,171)
|
(29,908)
|
| Notional amount |
2,860,119
|
1,395,691
|
| Option contract [member] | Sold Position [Member] | Put Option Other [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(840,984)
|
(439,931)
|
| Financial assets, at fair value |
(908,322)
|
(159,771)
|
| Notional amount |
306,674,847
|
209,984,858
|
| Futures contract [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
|
|
| Financial assets, at fair value |
|
|
| Notional amount |
567,709,896
|
785,337,224
|
| Futures contract [member] | Purchased Position [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Financial assets, at fair value |
|
|
| Notional amount |
283,663,279
|
396,239,839
|
| Futures contract [member] | Purchased Position [Member] | Foreign Currency [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
|
|
| Financial assets, at fair value |
|
|
| Notional amount |
21,182,934
|
106,481,787
|
| Futures contract [member] | Purchased Position [Member] | Exchange Coupon D D I [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
|
|
| Financial assets, at fair value |
|
|
| Notional amount |
95,881,997
|
143,814,584
|
| Futures contract [member] | Purchased Position [Member] | Interest Rates D I 1 And D I A [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
|
|
| Financial assets, at fair value |
|
|
| Notional amount |
160,220,757
|
135,768,788
|
| Futures contract [member] | Purchased Position [Member] | Indexes [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
3,206,380
|
7,717,797
|
| Futures contract [member] | Purchased Position [Member] | Treasury Bonds Notes [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
3,171,211
|
2,456,883
|
| Futures contract [member] | Sold Position [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
284,046,617
|
389,097,385
|
| Futures contract [member] | Sold Position [Member] | Foreign Currency [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
21,545,898
|
96,976,790
|
| Futures contract [member] | Sold Position [Member] | Indexes [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
3,206,380
|
7,717,797
|
| Futures contract [member] | Sold Position [Member] | Treasury Bonds Notes [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
3,171,211
|
2,456,883
|
| Futures contract [member] | Sold Position [Member] | Foreign Exchange Coupon [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
95,902,371
|
143,814,584
|
| Futures contract [member] | Sold Position [Member] | Interest Rates [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Notional amount |
160,220,757
|
138,131,331
|
| Futures contract [member] | Purchased Commitment [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
5,957,072
|
13,065,871
|
| Financial assets, at fair value |
47,899,620
|
18,534,707
|
| Notional amount |
221,363,620
|
226,379,907
|
| Futures contract [member] | Purchased Commitment [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
338,839
|
8,416,488
|
| Financial assets, at fair value |
39,408,926
|
15,917,171
|
| Notional amount |
67,098,260
|
49,898,477
|
| Futures contract [member] | Purchased Commitment [Member] | Currencies [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
5,618,233
|
4,649,383
|
| Financial assets, at fair value |
8,490,694
|
2,617,536
|
| Notional amount |
154,265,360
|
176,481,430
|
| Futures contract [member] | Sold Commitment [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(43,353,037)
|
(6,390,856)
|
| Financial assets, at fair value |
(42,147,926)
|
(18,209,033)
|
| Notional amount |
258,759,585
|
217,342,349
|
| Futures contract [member] | Sold Commitment [Member] | Others [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(508,555)
|
(456,847)
|
| Financial assets, at fair value |
(39,634,499)
|
(12,057,769)
|
| Notional amount |
67,267,976
|
39,576,293
|
| Futures contract [member] | Sold Commitment [Member] | Currencies [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(42,844,482)
|
(5,934,009)
|
| Financial assets, at fair value |
(2,513,427)
|
(6,151,264)
|
| Notional amount |
191,491,609
|
177,766,056
|
| Forward Contracts And Other [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Curve value |
(37,395,965)
|
6,675,015
|
| Financial assets, at fair value |
5,751,694
|
325,674
|
| Notional amount |
R$ 480,123,205
|
R$ 443,722,256
|