XML 64 R52.htm IDEA: XBRL DOCUMENT v3.21.2
Pensions and Other Postretirement Benefits (Additional Information) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2021
Pension          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total $ (8) $ 9 $ (27) $ 29  
Other Postretirement Benefits          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total (3) (3) (7) (10)  
Foreign Plan | Minimum [Member]          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Expected employer mandatory contributions 5   5    
Foreign Plan | Maximum [Member]          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Expected employer mandatory contributions 10   10    
Mandatory Contribution | Foreign Plan          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Contributions to defined benefit pension plans $ 1 $ 2 $ 3 $ 7  
Scenario, Forecast          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total         $ 45
Scenario, Forecast | Pension          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total         35
Scenario, Forecast | Other Postretirement Benefits          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total         $ 10