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Inventories (Tables)
 12 Months Ended
Dec. 31, 2022
Inventories Abstract  
Schedule of inventories
   
  12.31.2022 12.31.2021
Crude oil 3,738 3,048
Oil products 3,278 2,495
Intermediate products 587 532
Natural gas and Liquefied Natural Gas (LNG) 135 349
Biofuels 14 19
Fertilizers 4 8
Total products 7,756 6,451
Materials, supplies and others 1,023 804
Total 8,779 7,255