v3.26.3
Sales revenues (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
IfrsStatementLineItems [Line Items]        
Sales revenues $ 33,607 $ 21,037 $ 57,142 $ 42,110
Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 17,741 12,676 31,029 25,572
Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 20,693 15,147 36,401 30,739
Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 12,914 5,890 20,741 11,371
Diesel [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 7,584 6,183 14,327 12,753
Road Use Diesel Subsidy Program [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 1,923   2,051
Gasoline [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 3,013 3,073 5,936 6,037
Gasoline Subsidy Program [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 159   159
Liquefied Petroleum Gas [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 942 884 1,773 1,617
Liquefied Petroleum Gas Subsidy Program [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 17   17
Jet Fuel [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 1,893 1,009 3,072 2,132
Naphtha [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 784 425 1,256 835
Fuel Oil [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 213 132 376 297
Other Oil Products [Member] | Subtotal Oil Products [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 1,213 970 2,062 1,901
Other Oil Products [Member] | Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 405 135 751 510
Natural Gas [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 899 973 1,677 1,858
Crude Oils [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 1,358 1,073 2,289 2,478
Crude Oils [Member] | Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 10,381 4,452 16,096 8,262
Renewables And Nitrogen Products [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 122 41 234 94
Breakage [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 44 54 80 102
Electricities [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 274 148 602 287
Services Agency And Others [Member] | Domestic Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 255 182 490 348
Exports [Member] | Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 12,665 5,680 20,267 11,049
Fuel Oi Iincluding Bunker Fuel [Member] | Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues 1,879 1,093 3,420 2,277
Sales Abroad [Member] | Foreign Market [Member]        
IfrsStatementLineItems [Line Items]        
Sales revenues $ 249 $ 210 $ 474 $ 322