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Schedule of inventories (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Schedule Of Inventories    
Crude oil $ 3,985 $ 3,048
Oil products 3,252 2,495
Intermediate products 634 532
Natural gas and Liquefied Natural Gas (LNG) 617 349
Biofuels 23 19
Fertilizers 2 8
Total products 8,513 6,451
Materials, supplies and others (*) 999 804
Total $ 9,512 $ 7,255