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Loans, borrowings, leases, cash and cash equivalents and short-term investments - Cash and cash equivalents (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
R$    
Cash and cash equivalents    
Cash and cash equivalents $ 6,714 $ 2,849
US$    
Cash and cash equivalents    
Cash and cash equivalents 4,769 10,195
Other currencies    
Cash and cash equivalents    
Cash and cash equivalents $ 238 $ 443