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Cash and cash equivalents
12 Months Ended
Dec. 31, 2023
Cash and cash equivalents [abstract]  
Cash and cash equivalents Cash and cash equivalents
20232022
Cash at bank and on hand12,029 21,372 
Short-term deposits (a)3,934 3,379 
Shares of mutual funds (a)87 1,768 
Cash and cash equivalents16,050 26,519 
(a)Short-term deposits and shares of mutual funds are cash equivalents held for the purposes of meeting short-term cash commitments with maturities of three months or less from the date of acquisition and subject to insignificant risk of changes in value.