v3.26.1
FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT - Liquidity risk management (Details) - Liquidity risk [member] - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities R$ 117,843,727 R$ 127,361,288
Financial Liabilities, Undiscounted Cash Flows 170,400,861 176,529,601
2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 16,194,968 24,896,300
2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 19,091,837 16,474,380
Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 53,481,732 55,542,774
Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 81,632,324 79,616,147
Trade accounts payable    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 5,141,386 6,033,285
Financial Liabilities, Undiscounted Cash Flows 5,141,386 6,033,285
Trade accounts payable | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 5,141,386 6,033,285
Trade accounts payable | Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows  
Loans, financing and debentures    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 94,801,257 101,435,531
Financial Liabilities, Undiscounted Cash Flows 136,586,565 142,028,543
Loans, financing and debentures | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 5,690,098 13,599,011
Loans, financing and debentures | 2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 16,894,643 14,235,170
Loans, financing and debentures | Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 46,428,491 50,858,667
Loans, financing and debentures | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 67,573,333 63,335,695
Leases (1)    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 6,929,890 6,972,915
Financial Liabilities, Undiscounted Cash Flows 13,281,230 12,099,294
Leases (1) | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 2,761,632 1,302,590
Leases (1) | 2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 1,235,951 1,176,832
Leases (1) | Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 3,161,325 3,094,493
Leases (1) | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 6,122,322 6,525,379
Liabilities for assets acquisitions and subsidiaries    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 94,840 120,490
Financial Liabilities, Undiscounted Cash Flows 115,108 146,082
Liabilities for assets acquisitions and subsidiaries | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 19,904 23,425
Liabilities for assets acquisitions and subsidiaries | 2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 18,993 22,400
Liabilities for assets acquisitions and subsidiaries | Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 76,211 100,257
Liabilities for assets acquisitions and subsidiaries | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows
Derivative Liabilities    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 9,341,349 10,454,820
Financial Liabilities, Undiscounted Cash Flows 13,741,567 13,878,150
Derivative Liabilities | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 1,139,273 1,676,180
Derivative Liabilities | 2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 849,920 957,540
Derivative Liabilities | Later than two years and not later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 3,815,705 1,489,357
Derivative Liabilities | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 7,936,669 9,755,073
Dividends and interests on own capital payable    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 1,393,121 2,200,917
Financial Liabilities, Undiscounted Cash Flows 1,393,121 2,200,917
Dividends and interests on own capital payable | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 1,393,121 2,200,917
Other liabilities    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 141,884 143,330
Financial Liabilities, Undiscounted Cash Flows 141,884 143,330
Other liabilities | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 49,554 60,892
Other liabilities | 2027    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows R$ 92,330 R$ 82,438