v3.22.4
Leases​ (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]      
Lease cost $ 54 $ 59 $ 62
Right-of-use asset obtained in exchange for operating lease liability 34 $ 17  
Operating Lease Obligation      
Year one 40    
Year two 31    
Year three 24    
Year four 16    
Year five 7    
Thereafter 19    
Total lease payments 137    
Less: imputed interest 20    
Present value of lease liabilities $ 117    
Weighted-average remaining lease term 5 years 2 months 12 days 6 years 1 month 6 days  
Weighted-average discount rate 6.30% 5.80%