v3.25.1
Financial instruments and risk management - Classification (Details) - Financial risks management - BRL (R$)
R$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items]    
Financial assets R$ 28,866,666 R$ 37,168,630
Financial liabilities 110,987,836 127,361,288
Financial Liabilities, Net of Financial Assets 82,121,170 90,192,658
Financial liabilities at amortised cost, category [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 103,856,388 116,906,468
Financial liabilities at amortised cost, category [member] | Trade accounts payable    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 5,669,809 6,033,285
Financial liabilities at amortised cost, category [member] | Loans, financing and debentures    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 91,042,571 101,435,531
Financial liabilities at amortised cost, category [member] | Lease liabilities    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 6,851,519 6,972,915
Financial liabilities at amortised cost, category [member] | Liabilities for assets acquisitions and subsidiaries    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 115,424 120,490
Financial liabilities at amortised cost, category [member] | Dividends and interests on own capital payable    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 7,699 2,200,917
Financial liabilities at amortised cost, category [member] | Other liabilities    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 169,366 143,330
At fair value through profit or loss    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 7,131,448 10,454,820
At fair value through profit or loss | Derivative financial instruments    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 7,131,448 10,454,820
Financial assets at amortised cost, category [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 16,808,751 18,779,953
Financial assets at amortised cost, category [member] | Cash and cash equivalents    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 9,914,505 9,018,818
Financial assets at amortised cost, category [member] | Trade accounts receivable    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 6,354,237 9,132,860
Financial assets at amortised cost, category [member] | Other assets    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 540,009 628,275
At fair value through other comprehensive income    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 1,006,820 1,138,066
At fair value through other comprehensive income | Investments    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 1,006,820 1,138,066
At fair value through profit or loss    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 11,051,095 17,250,611
At fair value through profit or loss | Derivative financial instruments    
Disclosure of detailed information about financial instruments [line items]    
Financial assets 4,132,330 3,887,100
At fair value through profit or loss | Marketable securities    
Disclosure of detailed information about financial instruments [line items]    
Financial assets R$ 6,918,765 R$ 13,363,511