v3.25.4
FINANCING AND FINANCIAL INSTRUMENTS - Risk management policy - Foreign Currency Sensitivity (Details) - Currency risk - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Reasonably possible increase in risk variable percent (in percent) 10.00%  
Reasonably possible decrease in risk variable percent (in percent) 10.00%  
Reasonably possible increase in risk variable, impact on income   $ (276)
Reasonably possible increase in risk variable, impact on equity   (70)
Reasonably possible decrease in risk variable, impact on income   (77)
Reasonably possible decrease in risk variable, impact on equity   0
USD    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Reasonably possible increase in risk variable, impact on income $ 247  
Reasonably possible increase in risk variable, impact on equity 158  
Reasonably possible decrease in risk variable, impact on income (101) 248
Reasonably possible decrease in risk variable, impact on equity (126) 89
EUR    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Reasonably possible increase in risk variable, impact on income 45 63
Reasonably possible increase in risk variable, impact on equity 0 $ 0
Reasonably possible decrease in risk variable, impact on income (55)  
Reasonably possible decrease in risk variable, impact on equity 0  
10% increase, trade receivables 89  
10% increase, trade payables 573  
10% decrease, trade receivables (89)  
10% decrease, trade payables (573)  
PLN    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
10% increase, trade receivables 19  
10% increase, trade payables 47  
10% decrease, trade receivables (19)  
10% decrease, trade payables $ (47)