v3.25.2
Revenues and geographic information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disclosure of operating segments [line items]        
Net sales to third parties $ 14,054 $ 12,512 $ 27,287 $ 24,341
Net sales (in % of total net sales) 100.00% 100.00% 100.00% 100.00%
Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 12.00%   12.00%  
Net sales, change in %, cc 11.00%   13.00%  
US        
Disclosure of operating segments [line items]        
Net sales to third parties $ 6,249 $ 5,146 $ 11,961 $ 9,734
Net sales (in % of total net sales) 44.00% 41.00% 44.00% 40.00%
US | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 21.00%   23.00%  
Net sales, change in %, cc 21.00%   23.00%  
Europe [member]        
Disclosure of operating segments [line items]        
Net sales to third parties $ 4,170 $ 3,867 $ 8,075 $ 7,631
Net sales (in % of total net sales) 30.00% 31.00% 30.00% 31.00%
Europe [member] | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 8.00%   6.00%  
Net sales, change in %, cc 3.00%   5.00%  
Asia/Africa/Australasia [member]        
Disclosure of operating segments [line items]        
Net sales to third parties $ 2,713 $ 2,594 $ 5,485 $ 5,174
Net sales (in % of total net sales) 19.00% 21.00% 20.00% 21.00%
Asia/Africa/Australasia [member] | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 5.00%   6.00%  
Net sales, change in %, cc 3.00%   6.00%  
Canada and Latin America [member]        
Disclosure of operating segments [line items]        
Net sales to third parties $ 922 $ 905 $ 1,766 $ 1,802
Net sales (in % of total net sales) 7.00% 7.00% 6.00% 8.00%
Canada and Latin America [member] | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 2.00%   (2.00%)  
Net sales, change in %, cc 15.00%   12.00%  
Established Markets [member]        
Disclosure of operating segments [line items]        
Net sales to third parties $ 10,537 $ 9,162 $ 20,206 $ 17,650
Net sales (in % of total net sales) 75.00% 73.00% 74.00% 73.00%
Established Markets [member] | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 15.00%   14.00%  
Net sales, change in %, cc 13.00%   14.00%  
Emerging Growth Markets [member]        
Disclosure of operating segments [line items]        
Net sales to third parties $ 3,517 $ 3,350 $ 7,081 $ 6,691
Net sales (in % of total net sales) 25.00% 27.00% 26.00% 27.00%
Emerging Growth Markets [member] | Change over period [member]        
Disclosure of operating segments [line items]        
Net sales, change in % 5.00%   6.00%  
Net sales, change in %, cc 7.00%   10.00%