v3.22.4
Income Taxes - Deferred Tax Assets and Liabilities​ (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets        
Employee benefits $ 264 $ 331    
Tax loss carryforwards 181 206    
Deferred income 45 47    
Deferred Tax Asset, Interest Carryforward 42 44    
Operating lease right-of-use asset 25 30    
Loss provisions 27 24    
Depreciation 13 13    
Other 4 17    
Deferred tax assets, gross 601 712    
Valuation allowance (70) (90) $ (91) $ (113)
Deferred tax assets, net 531 622    
Deferred tax liabilities        
Deferred Tax Liabilities, Accounting Method Change 63 97    
Employee benefits 0 0    
Operating lease liabilities 25 30    
Depreciation 245 267    
Deferred expense 0 0    
Other 13 11    
Deferred tax liabilities $ 346 $ 405