v3.22.1
Leases​ (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Leases [Abstract]    
Lease cost $ 13 $ 16
Right-of-use asset obtained in exchange for operating lease liability 11 $ 5
Operating Lease Obligation    
2022 31  
2023 31  
2024 24  
2025 18  
2026 13  
Thereafter 30  
Total lease payments 147  
Less: imputed interest 23  
Present value of lease liabilities $ 124  
Weighted-average remaining lease term 6 years 1 month 6 days  
Weighted-average discount rate 5.80%