v3.26.3
Employee benefits (Details 5) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
IfrsStatementLineItems [Line Items]    
Balance at December 31, 2024 $ 16,360 $ 11,398
Recognized in the Statement of Income 1,102 847
Current service cost 131 83
Net interest 971 764
Cash effects (639) (522)
Contributions paid (611) (500)
Payments related to Term of financial commitment (TFC) (28) (22)
Other changes 1,037 1,552
Others 8  
Translation Adjustment 1,029 1,552
Balance at June 30, 2025 17,860 13,276
Recognized in Equity - other comprehensive income   1
(Gains)/losses arising from the remeasurement   1
Pension Plans P P S P R [Member]    
IfrsStatementLineItems [Line Items]    
Balance at December 31, 2024 3,247 2,684
Recognized in the Statement of Income 189 179
Current service cost 2
Net interest 189 177
Cash effects (234) (199)
Contributions paid (217) (185)
Payments related to Term of financial commitment (TFC) (17) (14)
Other changes 207 359
Others  
Translation Adjustment 207 359
Balance at June 30, 2025 3,409 3,023
Recognized in Equity - other comprehensive income  
(Gains)/losses arising from the remeasurement  
Pension Plans P P S P N R [Member]    
IfrsStatementLineItems [Line Items]    
Balance at December 31, 2024 1,448 1,158
Recognized in the Statement of Income 86 76
Current service cost
Net interest 86 76
Cash effects (80) (64)
Contributions paid (69) (56)
Payments related to Term of financial commitment (TFC) (11) (8)
Other changes 92 159
Others  
Translation Adjustment 92 159
Balance at June 30, 2025 1,546 1,329
Recognized in Equity - other comprehensive income  
(Gains)/losses arising from the remeasurement  
Pension Plans Petros 2 [Member]    
IfrsStatementLineItems [Line Items]    
Balance at December 31, 2024 4 58
Recognized in the Statement of Income 3
Current service cost
Net interest 3
Cash effects (8) (6)
Contributions paid (8) (6)
Payments related to Term of financial commitment (TFC)
Other changes 7 6
Others 8  
Translation Adjustment (1) 6
Balance at June 30, 2025 3 61
Recognized in Equity - other comprehensive income  
(Gains)/losses arising from the remeasurement  
Health Care Plan Saude Petrobras [Member]    
IfrsStatementLineItems [Line Items]    
Balance at December 31, 2024 11,661 7,498
Recognized in the Statement of Income 827 589
Current service cost 131 81
Net interest 696 508
Cash effects (317) (253)
Contributions paid (317) (253)
Payments related to Term of financial commitment (TFC)
Other changes 731 1,028
Others  
Translation Adjustment 731 1,028
Balance at June 30, 2025 $ 12,902 8,863
Recognized in Equity - other comprehensive income   1
(Gains)/losses arising from the remeasurement   $ 1