v3.23.2
Leases​ (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Leases [Abstract]          
Lease cost $ 14 $ 14 $ 28 $ 27  
Right-of-use asset obtained in exchange for operating lease liability     12 $ 18  
Operating Lease Obligation          
2023 21   21    
2024 35   35    
2025 27   27    
2026 19   19    
2027 9   9    
Thereafter 22   22    
Total lease payments 133   133    
Less: imputed interest 19   19    
Present value of lease liabilities $ 114   $ 114    
Weighted-average remaining lease term 5 years   5 years   5 years 2 months 12 days
Weighted-average discount rate 6.60%   6.60%   6.30%