v3.26.1
RELATED-PARTY BALANCES AND TRANSACTIONS (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Non-current Assets R$ 70,244,740 R$ 64,120,961  
Assets 100,575,369 103,906,654  
Current Liabilities 28,074,399 25,116,475  
Non-current Liabilities 56,764,620 63,331,063  
Other operating income and expenses (7,577,051) (7,426,742) R$ (6,776,012)
Profit Loss (1,506,726) (1,538,141) R$ 402,649
Other related parties [member]      
IfrsStatementLineItems [Line Items]      
Current Assets 2,035,251 1,849,194  
Non-current Assets 53,328 190,131  
Assets 2,088,579 2,039,325  
Current Liabilities 93,756 325,883  
Liabilities 93,756 325,883  
Sales 79 903  
Cost and expenses (334,768) (227,090)  
Interest 83,874 38,588  
Exchange rate variations andmonetary, net 24,040 141,190  
Financial investments (191,986) (632,612)  
Dividends receivable   42,347  
Other operating income and expenses 5,687    
Profit Loss (413,074) (636,674)  
Other related parties [member] | Trade Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 864 184,892  
Other related parties [member] | Accounts Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 92,892 140,991  
Other related parties [member] | Cash And Cash Equivalent [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 1,979,060 912,533  
Other related parties [member] | Investments Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets   860,591  
Non-current Assets   142,423  
Other related parties [member] | Trade receivables [member]      
IfrsStatementLineItems [Line Items]      
Current Assets   191  
Other related parties [member] | Dividends Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 54,362 74,050  
Other related parties [member] | Other Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 1,829 1,829  
Other related parties [member] | Actuarial Liabilities [Member]      
IfrsStatementLineItems [Line Items]      
Non-current Assets 53,328 47,708  
Total for all related parties [member]      
IfrsStatementLineItems [Line Items]      
Current Assets 2,158,363 2,073,877  
Non-current Assets 2,191,210 3,885,738  
Assets 4,349,573 5,959,615  
Current Liabilities 334,835 602,664  
Non-current Liabilities   20,850  
Liabilities 334,835 623,514  
Sales 2,193,595 2,380,081  
Cost and expenses (2,452,504) (2,596,455)  
Interest 306,807 196,387  
Exchange rate variations andmonetary, net 24,040 141,190  
Financial investments (191,986) (632,612)  
Dividends receivable   42,347  
Other operating income and expenses (212,152)    
Profit Loss (332,200) (469,062)  
Total for all related parties [member] | Trade Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 191,702 415,857  
Total for all related parties [member] | Accounts Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 117,292 186,807  
Non-current Liabilities   20,850  
Total for all related parties [member] | Provision For Consumption [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 25,841    
Total for all related parties [member] | Cash And Cash Equivalent [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 1,979,060 912,533  
Total for all related parties [member] | Investments Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets   860,591  
Non-current Assets   142,423  
Total for all related parties [member] | Trade receivables [member]      
IfrsStatementLineItems [Line Items]      
Current Assets 97,299 92,171  
Total for all related parties [member] | Dividends Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 76,026 201,436  
Total for all related parties [member] | Loans Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 4,147 5,315  
Non-current Assets 2,137,882 1,903,028  
Total for all related parties [member] | Other Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 1,831 1,831  
Non-current Assets   1,792,579  
Total for all related parties [member] | Actuarial Liabilities [Member]      
IfrsStatementLineItems [Line Items]      
Non-current Assets 53,328 47,708  
Subsidiaries And Associates [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 92,522 88,750  
Non-current Assets 6,024 3,789  
Assets 98,546 92,539  
Current Liabilities 19,493 36,921  
Liabilities 19,493 36,921  
Sales 2,144,285 2,357,816  
Cost and expenses   (179,022)  
Interest 2,235 2,508  
Other operating income and expenses (219,635)    
Profit Loss 1,926,885 2,181,302  
Subsidiaries And Associates [Member] | Trade Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 19,493 13,676  
Subsidiaries And Associates [Member] | Accounts Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities   23,245  
Subsidiaries And Associates [Member] | Trade receivables [member]      
IfrsStatementLineItems [Line Items]      
Current Assets 73,045 88,750  
Subsidiaries And Associates [Member] | Dividends Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 19,477    
Subsidiaries And Associates [Member] | Loans Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Non-current Assets 6,024 3,789  
Joint Ventures Joint Operation [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 30,590 135,933  
Non-current Assets 2,131,858 3,691,818  
Assets 2,162,448 3,827,751  
Current Liabilities 221,586 239,860  
Non-current Liabilities   20,850  
Liabilities 221,586 260,710  
Sales 49,231 21,362  
Cost and expenses (2,117,736) (2,190,343)  
Interest 220,698 155,291  
Other operating income and expenses 1,796    
Profit Loss (1,846,011) (2,013,690)  
Joint Ventures Joint Operation [Member] | Trade Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 171,345 217,289  
Joint Ventures Joint Operation [Member] | Accounts Payables [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 24,400 22,571  
Non-current Liabilities   20,850  
Joint Ventures Joint Operation [Member] | Provision For Consumption [Member]      
IfrsStatementLineItems [Line Items]      
Current Liabilities 25,841    
Joint Ventures Joint Operation [Member] | Trade receivables [member]      
IfrsStatementLineItems [Line Items]      
Current Assets 24,254 3,230  
Joint Ventures Joint Operation [Member] | Dividends Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 2,187 127,386  
Joint Ventures Joint Operation [Member] | Loans Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets 4,147 5,315  
Non-current Assets 2,131,858 1,899,239  
Joint Ventures Joint Operation [Member] | Other Receivables [Member]      
IfrsStatementLineItems [Line Items]      
Current Assets R$ 2 2  
Non-current Assets   R$ 1,792,579