v3.22.2.2
Leases​ (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Leases [Abstract]          
Lease cost $ 13 $ 15 $ 40 $ 45  
Right-of-use asset obtained in exchange for operating lease liability     22 $ 13  
Operating Lease Obligation          
2022 10   10    
2023 34   34    
2024 27   27    
2025 20   20    
2026 14   14    
Thereafter 31   31    
Total lease payments 136   136    
Less: imputed interest 23   23    
Present value of lease liabilities $ 113   $ 113    
Weighted-average remaining lease term 6 years   6 years   6 years 1 month 6 days
Weighted-average discount rate 6.00%   6.00%   5.80%