v3.26.3
Property, plant and equipment (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 $ 168,040 $ 136,285    
Cost 333,658 289,531 $ 299,482 $ 240,902
Accumulated depreciation and impairment (147,964) (125,904) (131,442) (104,617)
Additions 15,030 15,934    
Capitalized borrowing costs 1,340 911    
Write-offs               (116) (336)    
Transfers (5) 1,201 620    
Transfers to assets held for sale 1 (1)    
Depreciation, amortization and depletion (10,505) (8,345)    
Impairment recognition (note 20) (228) (230)    
Impairment reversal (note 20) 418 4    
Translation adjustment 10,513 18,779    
Balance at June 30, 2025 185,694 163,627    
Decommissioning costs - Additions to / review of estimates   6    
Land Buildings And Improvement [Member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 2,392 2,485    
Cost 4,713 4,503 4,417 3,895
Accumulated depreciation and impairment (2,196) (1,629) (2,025) (1,410)
Additions 2    
Capitalized borrowing costs    
Write-offs               (3) (1)    
Transfers (5) 19 103    
Transfers to assets held for sale    
Depreciation, amortization and depletion (45) (49)    
Impairment recognition (note 20) (3)    
Impairment reversal (note 20) 1    
Translation adjustment 151 339    
Balance at June 30, 2025 2,517 2,874    
Decommissioning costs - Additions to / review of estimates      
Equipment And Other Assets [Member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 52,662 45,807    
Cost 128,507 112,058 116,063 96,963
Accumulated depreciation and impairment (69,791) (60,354) (63,401) (51,156)
Additions 87 21    
Capitalized borrowing costs    
Write-offs               (21) (27)    
Transfers (5) 6,092 2,489    
Transfers to assets held for sale (1)    
Depreciation, amortization and depletion (3,261) (2,641)    
Impairment recognition (note 20) (49) (116)    
Impairment reversal (note 20) 4 4    
Translation adjustment 3,202 6,168    
Balance at June 30, 2025 58,716 51,704    
Decommissioning costs - Additions to / review of estimates      
Assets Under Construction [Member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 37,120 24,384    
Cost 48,387 39,137 42,752 30,321
Accumulated depreciation and impairment (5,399) (6,608) (5,632) (5,937)
Additions 9,160 7,472    
Capitalized borrowing costs 1,340 911    
Write-offs               (43) (290)    
Transfers (5) (7,391) (3,438)    
Transfers to assets held for sale 1    
Depreciation, amortization and depletion    
Impairment recognition (note 20) (55) (17)    
Impairment reversal (note 20) 413    
Translation adjustment 2,443 3,507    
Balance at June 30, 2025 42,988 32,529    
Decommissioning costs - Additions to / review of estimates      
Exploration And Development Costs [Member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 38,894 35,921    
Cost 85,582 78,019 77,977 67,357
Accumulated depreciation and impairment (44,404) (37,957) (39,083) (31,436)
Additions 103 74    
Capitalized borrowing costs    
Write-offs               (16) (4)    
Transfers (5) 2,480 1,466    
Transfers to assets held for sale    
Depreciation, amortization and depletion (2,664) (2,157)    
Impairment recognition (note 20) (45) (10)    
Impairment reversal (note 20)    
Translation adjustment 2,426 4,766    
Balance at June 30, 2025 41,178 40,062    
Decommissioning costs - Additions to / review of estimates   6    
Right-of-use assets [member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2024 36,972 27,688    
Cost 66,469 55,814 58,273 42,366
Accumulated depreciation and impairment (26,174) (19,356) $ (21,301) $ (14,678)
Additions 5,678 8,367    
Capitalized borrowing costs    
Write-offs               (33) (14)    
Transfers (5) 1    
Transfers to assets held for sale    
Depreciation, amortization and depletion (4,535) (3,498)    
Impairment recognition (note 20) (79) (84)    
Impairment reversal (note 20)    
Translation adjustment 2,291 3,999    
Balance at June 30, 2025 $ 40,295 36,458    
Decommissioning costs - Additions to / review of estimates