v3.23.1
Leases​ (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Leases [Abstract]      
Lease cost $ 14 $ 13  
Right-of-use asset obtained in exchange for operating lease liability 9 $ 11  
Operating Lease Obligation      
2023 32    
2024 34    
2025 26    
2026 18    
2027 8    
Thereafter 21    
Total lease payments 139    
Less: imputed interest 20    
Present value of lease liabilities $ 119    
Weighted-average remaining lease term 5 years 1 month 6 days   5 years 2 months 12 days
Weighted-average discount rate 6.50%   6.30%