v3.26.1
TRADE AND OTHER RECEIVABLES - Aging of trade receivables (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Aging of trade receivables      
Current $ 584 $ 437  
Trade receivables      
Aging of trade receivables      
Current $ 249 $ 177  
Unbilled Receivables | Trade receivables      
Aging of trade receivables      
Expected credit loss rate (as percent) 4.40% 4.30%  
Current $ 43 $ 44  
Current | Trade receivables      
Aging of trade receivables      
Expected credit loss rate (as percent) 2.30% 3.00%  
Current $ 173 $ 98  
Less than 30 days | Trade receivables      
Aging of trade receivables      
Expected credit loss rate (as percent) 18.20% 14.30%  
Current $ 18 $ 18  
Between 31 and 120 days | Trade receivables      
Aging of trade receivables      
Expected credit loss rate (as percent) 36.40% 38.50%  
Current $ 14 $ 16  
Greater than 120 days | Trade receivables      
Aging of trade receivables      
Expected credit loss rate (as percent) 98.50% 98.30%  
Current $ 1 $ 1  
Gross carrying amount      
Aging of trade receivables      
Current 753 565  
Gross carrying amount | Trade receivables      
Aging of trade receivables      
Current 334 252  
Gross carrying amount | Loans to customers      
Aging of trade receivables      
Current 419 313  
Gross carrying amount | Unbilled Receivables | Trade receivables      
Aging of trade receivables      
Current 45 46  
Gross carrying amount | Current | Trade receivables      
Aging of trade receivables      
Current 177 101  
Gross carrying amount | Less than 30 days | Trade receivables      
Aging of trade receivables      
Current 22 21  
Gross carrying amount | Between 31 and 120 days | Trade receivables      
Aging of trade receivables      
Current 22 26  
Gross carrying amount | Greater than 120 days | Trade receivables      
Aging of trade receivables      
Current 68 58  
Expected credit losses | Trade receivables      
Aging of trade receivables      
Current (85) (75) $ (70)
Expected credit losses | Loans to customers      
Aging of trade receivables      
Current (84) (53)  
Expected credit losses | Unbilled Receivables | Trade receivables      
Aging of trade receivables      
Current (2) (2)  
Expected credit losses | Current | Trade receivables      
Aging of trade receivables      
Current (4) (3)  
Expected credit losses | Less than 30 days | Trade receivables      
Aging of trade receivables      
Current (4) (3)  
Expected credit losses | Between 31 and 120 days | Trade receivables      
Aging of trade receivables      
Current (8) (10)  
Expected credit losses | Greater than 120 days | Trade receivables      
Aging of trade receivables      
Current $ (67) $ (57)