v3.26.1
Income taxes - Carried forward tax credits (Details) - Net operating losses and tax carry forwards - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets and liabilities      
Deferred tax assets $ 3,349 $ 3,324 $ 3,098
United States      
Deferred tax assets and liabilities      
Deferred tax assets 1,030    
France      
Deferred tax assets and liabilities      
Deferred tax assets 999    
Australia      
Deferred tax assets and liabilities      
Deferred tax assets 571    
Not later than one year      
Deferred tax assets and liabilities      
Deferred tax assets 5 2 2
Year 2      
Deferred tax assets and liabilities      
Deferred tax assets 6 5 2
Year 3      
Deferred tax assets and liabilities      
Deferred tax assets 6 4 8
Year 4      
Deferred tax assets and liabilities      
Deferred tax assets 4 5 3
Year 5 and after      
Deferred tax assets and liabilities      
Deferred tax assets 560 216 1,201
Year 5 and after | United States      
Deferred tax assets and liabilities      
Deferred tax assets 455    
Year 5 and after | France      
Deferred tax assets and liabilities      
Deferred tax assets 6    
Unlimited      
Deferred tax assets and liabilities      
Deferred tax assets 2,768 $ 3,092 $ 1,882
Unlimited | United States      
Deferred tax assets and liabilities      
Deferred tax assets 575    
Unlimited | France      
Deferred tax assets and liabilities      
Deferred tax assets 993    
Unlimited | Australia      
Deferred tax assets and liabilities      
Deferred tax assets $ 571