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Risks and Financial Instruments - Credit risk exposure (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]    
Accounting balance R$ 5,767,961 R$ 4,996,662
Provision for losses 496,040 559,633
Current [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 4,756,388 3,901,536
Provision for losses 22,752 23,476
Less than 30 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 29,817 109,284
Provision for losses 2,230 8,005
31 to 60 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 22,633 57,545
Provision for losses 2,516 11,746
61-90 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 32,522 39,177
Provision for losses 8,617 9,016
91-180 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 58,529 50,588
Provision for losses 20,159 24,818
More than 180 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Accounting balance 868,072 838,532
Provision for losses R$ 439,766 R$ 482,572
Weighted average [member] | Current [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 0.50% 0.60%
Weighted average [member] | Less than 30 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 7.50% 7.30%
Weighted average [member] | 31 to 60 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 11.10% 20.40%
Weighted average [member] | 61-90 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 26.50% 23.00%
Weighted average [member] | 91-180 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 34.40% 49.10%
Weighted average [member] | More than 180 days [member]    
Disclosure of detailed information about financial instruments [line items]    
Expected credit loss rate 50.70% 57.50%