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Pension and Other Postretirement Benefits (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
Pension_plan
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Pension and Other Postretirement Benefits      
Number of funded plans | Pension_plan 1    
Number of funded plans closed to new employees | Pension_plan 1    
Pension Plans      
Pension and Other Postretirement Benefits      
Number of funded plans | Pension_plan 5    
North America      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period $ (884)    
Benefit obligation at the end of the period   $ (884)  
Amounts recognized in the consolidated balance sheets      
Other assets 0 0  
Accrued expenses $ 0 0  
North America | Pension Plans      
Pension and Other Postretirement Benefits      
Number of funded plans | Pension_plan 3    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period $ 846 790  
Return on plan assets 15 96  
Employer contributions 14 22  
Plan participant contributions 0 0  
Benefit payments (46) (66)  
Foreign currency translation 1 4  
Fair value of plan assets at the end of the period 830 846 $ 790
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period (884) (839)  
Service cost (20) (17) (14)
Interest cost (21) (25) (30)
Benefit payments 46 66  
Foreign currency translation (1) (4)  
Plan participant contributions 0 0  
Change in assumptions and other 39 (65)  
Benefit obligation at the end of the period (841) (884) (839)
Funded status as of December 31 (11) (38)  
Lump sum payment 22    
Amounts recognized in the consolidated balance sheets      
Other assets 16 10  
Other liabilities (27) (48)  
Amounts recognized in the consolidated balance sheets, total (11) (38)  
North America | Retiree Medical      
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period 0 0  
Return on plan assets 0 0  
Employer contributions 4 4  
Plan participant contributions 0 1  
Benefit payments (4) (5)  
Foreign currency translation 0 0  
Fair value of plan assets at the end of the period 0 0 0
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period (35) (37)  
Service cost 0 0 0
Interest cost (1) (1) (1)
Benefit payments 4 5  
Foreign currency translation 0 0  
Plan participant contributions 0 (1)  
Change in assumptions and other 0 (1)  
Benefit obligation at the end of the period (32) (35) (37)
Funded status as of December 31 (32) (35)  
Amounts recognized in the consolidated balance sheets      
Accrued expenses (3) (3)  
Other liabilities (29) (32)  
Amounts recognized in the consolidated balance sheets, total $ (32) (35)  
United Kingdom      
Pension and Other Postretirement Benefits      
Number of funded plans | Pension_plan 2    
United Kingdom | Pension Plans      
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period $ 491 418  
Return on plan assets 20 58  
Employer contributions 26 23  
Plan participant contributions 0 0  
Benefit payments (27) (25)  
Foreign currency translation (5) 17  
Fair value of plan assets at the end of the period 505 491 418
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period (643) (597)  
Service cost 0 0 0
Interest cost (9) (11) (15)
Benefit payments 27 25  
Foreign currency translation 6 (20)  
Plan participant contributions 0 0  
Change in assumptions and other 29 (40)  
Benefit obligation at the end of the period (590) (643) $ (597)
Funded status as of December 31 (85) (152)  
Amounts recognized in the consolidated balance sheets      
Other assets 0 0  
Accrued expenses 0    
Other liabilities (85) (152)  
Amounts recognized in the consolidated balance sheets, total $ (85) $ (152)  
Canada      
Pension and Other Postretirement Benefits      
Number of funded plans | Pension_plan 2