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Financial Assets and Liabilities - Summary of Related Party Transactions (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of receivables and payables [line items]      
Shared expense R$ (73,831) R$ (81,018) R$ (71,978)
Total (965,464) (536,552) (786,727)
Other [member]      
Disclosure of receivables and payables [line items]      
Revenue 679,500 675,704 527,359
Financial Result [Member]      
Disclosure of receivables and payables [line items]      
Finance result 4,937 6,392 5,683
Raizen International Universal Corporation      
Disclosure of receivables and payables [line items]      
Revenue 5,143
Raizen Energia S.A. [member]      
Disclosure of receivables and payables [line items]      
Revenue 469,053 483,934 298,980
Purchase of goods / inputs / services (32,153) (6,160) (7,010)
Shared expense (73,831) (81,018) (71,978)
Finance result 139 4
Raizen [Member]      
Disclosure of receivables and payables [line items]      
Revenue 210,447 186,359 221,369
Purchase of goods / inputs / services (1,543,917) (1,130,531) (1,240,781)
Finance result 4,798 6,341 5,729
Usina Santa Luiza [member]      
Disclosure of receivables and payables [line items]      
Finance result (41)
Purchase Of Goods [Member]      
Disclosure of receivables and payables [line items]      
Purchase of goods / inputs / services (1,576,070) (1,137,630) (1,247,791)
Other [member]      
Disclosure of receivables and payables [line items]      
Revenue 268 7,010
Purchase of goods / inputs / services (939)
Finance result R$ 47 R$ (5)