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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2021
Cash and cash equivalents [abstract]  
Summary of cash and cash equivalents
20212020
Denominated in R$4,431,019 2,370,414 
Denominated in US$64,593 76,576 
Denominated in other foreign currencies33 — 
4,495,645 2,446,990