v3.25.1
Financial instruments - Liquidity risk management (Details) - Liquidity risk [member] - BRL (R$)
R$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities R$ 110,987,836 R$ 127,361,288
Financial Liabilities, Undiscounted Cash Flows 158,409,878 176,529,601
2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 15,235,006 24,896,300
2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 23,207,325 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 47,405,643 55,542,774
Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 72,561,904 79,616,147
Trade accounts payable    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 5,669,809 6,033,285
Financial Liabilities, Undiscounted Cash Flows 5,669,809 6,033,285
Trade accounts payable | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 5,669,809 6,033,285
Loans, financing and debentures    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 91,042,571 101,435,531
Financial Liabilities, Undiscounted Cash Flows 129,403,665 142,028,543
Loans, financing and debentures | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 7,379,898 13,599,011
Loans, financing and debentures | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 21,540,133 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 42,972,193 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 57,511,441 63,335,695
Leases    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 6,851,519 6,972,915
Financial Liabilities, Undiscounted Cash Flows 12,320,600 12,099,294
Leases | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 1,633,972 1,302,590
Leases | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 1,167,781 1,176,832
Leases | 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 3,068,159 3,094,493
Leases | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 6,450,688 6,525,379
Liabilities for assets acquisitions and subsidiaries    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 115,424 120,490
Financial Liabilities, Undiscounted Cash Flows 139,098 146,082
Liabilities for assets acquisitions and subsidiaries | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 21,722 23,425
Liabilities for assets acquisitions and subsidiaries | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 20,772 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 96,604 100,257
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 7,131,448 10,454,820
Financial Liabilities, Undiscounted Cash Flows 10,699,641 13,878,150
Derivative Liabilities | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 449,418 1,676,180
Derivative Liabilities | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 381,761 957,540
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 1,268,687 1,489,357
Derivative Liabilities | Later than five years [member]    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 8,599,775 9,755,073
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, Undiscounted Cash Flows 7,699 2,200,917
Dividends and interests on own capital payable | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 7,699 2,200,917
Other liabilities    
Disclosure of detailed information about financial instruments [line items]    
Financial liabilities 169,366 143,330
Financial Liabilities, Undiscounted Cash Flows 169,366 143,330
Other liabilities | 2025    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows 72,488 60,892
Other liabilities | 2026    
Disclosure of detailed information about financial instruments [line items]    
Financial Liabilities, Undiscounted Cash Flows R$ 96,878 R$ 82,438