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PROVISIONS, CONTINGENT LIABILITIES AND CONTINGENT ASSETS (Details 2) - BRL (R$) R$ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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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

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