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Commitments - Additional Information (Detail)
R$ in Thousands
Apr. 09, 2021
BRL (R$)
m³
Apr. 05, 2019
Item
m³
Mar. 22, 2019
BRL (R$)
Item
m³
Dec. 31, 2021
BRL (R$)
m³
T
Disclosure of commitments and contingencies [line items]        
Obligations regarding minimum purchase limits | R$       R$ 0
Area port lease [member] | IPP [member]        
Disclosure of commitments and contingencies [line items]        
Number of Port concessions | Item     3  
Term of concession     25 years  
Investments | R$     R$ 160,000  
Minimum lease period of port concession   15 years    
Area port lease [member] | IPP [member] | Port of Miramar [member]        
Disclosure of commitments and contingencies [line items]        
Number of Port concessions | Item   2    
Area port lease [member] | IPP [member] | Area BEL02A [member]        
Disclosure of commitments and contingencies [line items]        
Percentage of consortium owned   50.00%    
Minimum port storage capacity   41,000    
Area port lease [member] | IPP [member] | Area BEL04A [member]        
Disclosure of commitments and contingencies [line items]        
Minimum port storage capacity   23,000    
Area port lease [member] | IPP [member] | Paraiba [member] | Port of Cabedelo [member]        
Disclosure of commitments and contingencies [line items]        
Minimum port storage capacity     64,000  
Area port lease [member] | IPP [member] | Espirito Santo [member] | Port of Vitoria [member]        
Disclosure of commitments and contingencies [line items]        
Minimum port storage capacity     66,000  
Area port lease [member] | IPP and Ultracargo [member]        
Disclosure of commitments and contingencies [line items]        
Port concessions description     These concessions were carried out by <span style="border-left: none; border-right: none;">two</span> consortiums of which IPP holds <span style="border-left: none; border-right: none;">one</span> third of the total participation.  
Area port lease [member] | Ultracargo Logística S.A. | Area VDC12 [member]        
Disclosure of commitments and contingencies [line items]        
Minimum port storage capacity   59,000    
Minimum lease period of port concession   25 years    
Area port lease [member] | IPP and Ultracargo Logística S.A. [member]        
Disclosure of commitments and contingencies [line items]        
Number of Port concessions | Item   3    
Aratu [member]        
Disclosure of commitments and contingencies [line items]        
Cargo rates per ton | T       8.37
Suape [member]        
Disclosure of commitments and contingencies [line items]        
Cargo rates per ton | T       2.67
Itaqui [Member]        
Disclosure of commitments and contingencies [line items]        
Cargo rates per ton       0.85
Liability insurance policies | R$       R$ 80,000
Itaqui [Member] | Area port lease [member] | Ultracargo Logística S.A. | Area IQI13 [member]        
Disclosure of commitments and contingencies [line items]        
Minimum port storage capacity 79,000      
Estimated investments to port concessions | R$ R$ 310      
Minimum lease period of port concession 20 years      
Estimated investments, disbursement period 6 years      
Third parties [member]        
Disclosure of commitments and contingencies [line items]        
Liability insurance policies | R$       R$ 250,000