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Marketable securities, commodities, time deposits, derivative financial instruments and cash and cash equivalents (Details 1) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash and cash equivalents [abstract]        
Current accounts $ 2,877 $ 3,396    
Time deposits and short term investments with original maturity less than 90 days 4,640 9,011    
Total cash and cash equivalents $ 7,517 $ 12,407 $ 9,658 $ 11,112