v3.26.1
Revenue Contract Balances (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Contract assets $ 17 $ 3 $ 15 $ 2
Contract assets, additions/(deletions) 2 1    
Contract with Customer, Asset, Reclassified to Receivable [1] 0 0    
Long-term contract assets 4   4  
Contract with Customer, Asset Increase (Decrease), Noncurrent 0      
Contract With Customer Non Current Asset Reclassified To Receivable [1] 0      
Liability, change in timeframe, performance obligation satisfied, revenue recognized 0 0    
Nonrelated Party [Member]        
Deferred revenue 16 71 13 84
Deferred revenue, revenue recognized [1] (6) (18)    
Deferred Revenue, Additions 9 5    
Long-term deferred revenue, additions/(deletions) (4) 0    
Long-term deferred revenue, revenue recognized [1] 0 0    
Deferred Revenue from Contracts with Customers, Noncurrent 113 315 117 315
Related Party [Member]        
Deferred revenue 96   107  
Deferred revenue, revenue recognized [1] (21) (22)    
Deferred Revenue, Additions 15 21    
Deferred Revenue from Contracts with Customers, Current 60 70 66 71
Long-term deferred revenue, additions/(deletions) (3) (3)    
Long-term deferred revenue, revenue recognized [1] 0 0    
Deferred Revenue from Contracts with Customers, Noncurrent $ 42 $ 41 $ 45 $ 44
[1] No significant revenue was recognized related to past performance obligations in the period presented.