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Pension and Other Postretirement Healthcare Benefits - Narrative (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
USD ($)
plan
Dec. 31, 2022
USD ($)
plan
Dec. 31, 2021
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Number of plans | plan 1 1  
Pensions      
Defined Benefit Plan Disclosure [Line Items]      
Settlements $ 20    
Employer contributions   $ 6  
Contributions expected in the next year $ 8 $ 8  
Pensions | Retirement Plan Name, Other      
Defined Benefit Plan Disclosure [Line Items]      
Required employer contribution percentage   20.40%  
Pensions | International      
Defined Benefit Plan Disclosure [Line Items]      
Settlements   $ 0 $ 0
Employer contributions   4 6
Other Post Retirement Benefit Plans | International      
Defined Benefit Plan Disclosure [Line Items]      
Settlements   0 0
Employer contributions   $ 1 $ 1
Other Post Retirement Benefit Plans | South Africa      
Defined Benefit Plan Disclosure [Line Items]      
Percentage of post-retirement and death-in-service benefits for members employed before March 1, 1994   100.00%  
Annual percentage of post-retirement and death-in-service benefits for members employed on or after March 1, 1994 but before January 1, 2002   2.00%  
Percentage of post-retirement and death-in-service benefits for members employed on or after January 1, 2002   0.00%  
Other Post Retirement Benefit Plans | South Africa | Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Percentage of post-retirement and death-in-service benefits for members employed on or after March 1, 1994 but before January 1, 2002   50.00%