Related party transactions (Details 1) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
$ 3,382
|
$ 757
|
$ 4,222
|
$ 1,215
|
| Transactions With Joint Ventures Associates Government Entities And Pension Plans [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
3,382
|
757
|
4,222
|
1,215
|
| Revenues Mainly Sales Revenues [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
1,095
|
844
|
2,106
|
1,661
|
| Income Expenses [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
2,298
|
(38)
|
2,172
|
(358)
|
| Foreign Exchange And Inflation Indexation Charges Net [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
(31)
|
(18)
|
(50)
|
(33)
|
| Net Finance Income Expense [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
20
|
(31)
|
(6)
|
(55)
|
| Petros [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
(5)
|
(5)
|
(10)
|
(9)
|
| Government Bonds [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
15
|
29
|
31
|
59
|
| Banks Controlled By The Brazilian Government [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
8
|
(46)
|
(21)
|
(91)
|
| Fuel Trading Subsidy Program [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
2,312
|
|
2,453
|
|
| Brazilian Federal Government Dividends [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
(35)
|
(33)
|
(59)
|
(58)
|
| Empresa Brasileira De Administrao De Petrleo Gs Natural Pr Sal Petrleo [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
(116)
|
24
|
(134)
|
(230)
|
| Other Government Entities [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
(45)
|
(60)
|
(161)
|
(127)
|
| Other Associates And Joint Ventures [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
11
|
10
|
21
|
21
|
| Joint Venture And Associates Sub Total [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
1,248
|
848
|
2,123
|
1,671
|
| Petrobras Distribuidora [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
1,237
|
838
|
2,102
|
1,650
|
| Government Entities Sub Total [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Income (expense) |
$ 2,139
|
$ (86)
|
$ 2,109
|
$ (447)
|