v3.26.3
Disposal of assets and other transactions (Details 1)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
IfrsStatementLineItems [Line Items]  
Contingent assets at the ending $ 6,887
Assets recognized 310
Assets recognized in previous periods 2,665
Contingent assets at the beginning $ 3,907
Transaction Contingent Assets One [Member]  
IfrsStatementLineItems [Line Items]  
Closing date April 2022
Contingent assets at the ending $ 5,263
Assets recognized 208
Assets recognized in previous periods 1,514
Contingent assets at the beginning $ 3,536
Transaction Contingent Assets Two [Member]  
IfrsStatementLineItems [Line Items]  
Closing date December 2019
Contingent assets at the ending $ 62
Assets recognized in previous periods 58
Contingent assets at the beginning $ 4
Transaction Contingent Assets Three [Member]  
IfrsStatementLineItems [Line Items]  
Closing date July 2020
Contingent assets at the ending $ 650
Assets recognized 85
Assets recognized in previous periods 358
Contingent assets at the beginning $ 207
Transaction Contingent Assets Four [Member]  
IfrsStatementLineItems [Line Items]  
Closing date November 2020
Contingent assets at the ending $ 285
Assets recognized 17
Assets recognized in previous periods 271
Contingent assets at the beginning $ (3)
Transaction Contingent Assets Five [Member]  
IfrsStatementLineItems [Line Items]  
Closing date December 2021
Contingent assets at the ending $ 118
Assets recognized in previous periods 106
Contingent assets at the beginning $ 12
Transaction Contingent Assets Six [Member]  
IfrsStatementLineItems [Line Items]  
Closing date August 2022
Contingent assets at the ending $ 43
Assets recognized in previous periods 26
Contingent assets at the beginning $ 17
Transaction Contingent Assets Seven [Member]  
IfrsStatementLineItems [Line Items]  
Closing date December 2022
Contingent assets at the ending $ 90
Assets recognized in previous periods 54
Contingent assets at the beginning $ 36
Transaction Contingent Assets Eighth [Member]  
IfrsStatementLineItems [Line Items]  
Closing date January 2023
Contingent assets at the ending $ 250
Assets recognized in previous periods 225
Contingent assets at the beginning $ 25
Transaction Contingent Assets Nine [Member]  
IfrsStatementLineItems [Line Items]  
Closing date April 2023
Contingent assets at the ending $ 66
Assets recognized in previous periods 33
Contingent assets at the beginning $ 33
Transaction Contingent Assets Ten [Member]  
IfrsStatementLineItems [Line Items]  
Closing date August 2023
Contingent assets at the ending $ 60
Assets recognized in previous periods 20
Contingent assets at the beginning $ 40