FINANCIAL ASSETS MEASURED AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME (Details) - BRL (R$)
R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Marketable equity securities and other stocks |
R$ 5,718,967
|
R$ 4,564,663
|
| At cost [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Brazilian government securities |
112,830,390
|
130,816,058
|
| Corporate debt securities |
8,721,363
|
1,668,220
|
| Bank debt securities |
1,781,089
|
4,058,853
|
| Brazilian government bonds issued abroad |
7,818,067
|
8,898,238
|
| Foreign governments securities |
8,167,066
|
8,309,452
|
| Mutual funds |
90,743
|
4,928,849
|
| Marketable equity securities and other stocks |
6,583,814
|
6,781,513
|
| Financial assets at fair value through other comprehensive income |
145,992,532
|
165,461,183
|
| Unrealized Positive Fair Value Adjustments [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Brazilian government securities |
291,814
|
499,809
|
| Corporate debt securities |
25,793
|
50,109
|
| Bank debt securities |
10,854
|
2,427
|
| Brazilian government bonds issued abroad |
70,339
|
193,226
|
| Foreign governments securities |
16,372
|
15,206
|
| Mutual funds |
31,365
|
22,948
|
| Marketable equity securities and other stocks |
394,761
|
271,002
|
| Financial assets at fair value through other comprehensive income |
841,298
|
1,054,727
|
| Unrealized Negative Fair Value Adjustments [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Brazilian government securities |
(6,405,576)
|
(7,486,852)
|
| Corporate debt securities |
(90,252)
|
(68,505)
|
| Bank debt securities |
(3,193)
|
(48,983)
|
| Brazilian government bonds issued abroad |
(71,589)
|
(131,131)
|
| Foreign governments securities |
(5,507)
|
|
| Mutual funds |
|
(3)
|
| Marketable equity securities and other stocks |
(1,259,608)
|
(2,487,852)
|
| Financial assets at fair value through other comprehensive income |
(7,835,725)
|
(10,223,326)
|
| Fair Value [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Brazilian government securities |
106,716,628
|
123,829,015
|
| Corporate debt securities |
8,656,904
|
1,649,824
|
| Bank debt securities |
1,788,750
|
4,012,297
|
| Brazilian government bonds issued abroad |
7,816,817
|
8,960,333
|
| Foreign governments securities |
8,177,931
|
8,324,658
|
| Mutual funds |
122,108
|
4,951,794
|
| Marketable equity securities and other stocks |
5,718,967
|
4,564,663
|
| Financial assets at fair value through other comprehensive income |
R$ 138,998,105
|
R$ 156,292,584
|