PROVISIONS, CONTINGENT LIABILITIES AND CONTINGENT ASSETS (Details 2) - BRL (R$) R$ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Estimates of amounts of possible losses | R$ 105,934.1 | R$ 97,898.8 |
| Income Tax And Social Contribution [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimates of amounts of possible losses | 72,201.3 | 65,174.6 |
| Value Added And Excise Taxes [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimates of amounts of possible losses | 28,810.1 | 28,139.7 |
| P I S And C O F I N S Tax Contingent Liability [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimates of amounts of possible losses | 1,876.5 | 2,032.5 |
| Other contingent liabilities [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Estimates of amounts of possible losses | R$ 3,046.2 | R$ 2,552.0 |