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POST-EMPLOYMENT OBLIGATIONS (Details 11) - BRL (R$)
R$ in Millions
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Assets of the pension plan R$ 410 R$ 579
Non convertible debentures issued by the company [member]    
IfrsStatementLineItems [Line Items]    
Assets of the pension plan 137 302
Shares issued by the company [member]    
IfrsStatementLineItems [Line Items]    
Assets of the pension plan 3 277
Real estate properties of the foundation occupied by the company [member]    
IfrsStatementLineItems [Line Items]    
Assets of the pension plan R$ 270