v3.25.4
FINANCING AND FINANCIAL INSTRUMENTS - Risk management policy - Net Investment Hedges (Details) - Net investment hedge
€ in Millions, number in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
EUR (€)
Dec. 31, 2024
USD ($)
Disclosure of detailed information about hedging instruments [line items]            
Notional     5,357 5,357 4,319 4,319
OCI gross $ 83          
Deferred tax (24)          
OCI net of deferred tax 59          
Assets carrying amount       $ 0   $ 0
Liabilities carrying amount     € (3,978) 4,689 € (4,142) 4,303
Basis adjustment 0 $ 0        
Foreign currency translation reserve       $ 148   $ 634
Cross currency swap Maturity January 2016            
Disclosure of detailed information about hedging instruments [line items]            
Notional     375 375    
OCI gross 83          
Deferred tax (24)          
OCI net of deferred tax 59          
Cross currency swap, maturity March 2020            
Disclosure of detailed information about hedging instruments [line items]            
Notional     500 500    
OCI gross 11          
Deferred tax (3)          
OCI net of deferred tax 8          
Cross currency swap, maturity July 2019            
Disclosure of detailed information about hedging instruments [line items]            
Notional     500 500    
OCI gross (16)          
Deferred tax 5          
OCI net of deferred tax (11)          
Cross currency swap, maturity June 2018            
Disclosure of detailed information about hedging instruments [line items]            
Notional     100 100    
OCI gross 8          
Deferred tax (2)          
OCI net of deferred tax 6          
Cross currency swap, maturity November 2019            
Disclosure of detailed information about hedging instruments [line items]            
Notional     200 200    
OCI gross 11          
Deferred tax (3)          
OCI net of deferred tax 8          
Cross currency swap, maturity January 2026            
Disclosure of detailed information about hedging instruments [line items]            
Notional     660 660    
OCI gross (14)          
Deferred tax 3          
OCI net of deferred tax (11)          
Cross currency swap | Currency risk            
Disclosure of detailed information about hedging instruments [line items]            
Notional     660 660 0 0
Assets carrying amount       $ 0   $ 0
Liabilities carrying amount       14   0
Basis adjustment 0 0        
Foreign currency translation reserve       $ 59   $ 70
EUR debt | Currency risk            
Disclosure of detailed information about hedging instruments [line items]            
Notional     4,697 4,697 4,319 4,319
Assets carrying amount       $ 0   $ 0
Liabilities carrying amount       4,675   4,303
Basis adjustment $ 0 $ 0        
Foreign currency translation reserve       $ 89   $ 564