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Employee Benefits (Sensitivity Analysis) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Actuarial assumptions [Line Items]    
Defined benefit obligation $ 664 $ 993
Salary increase [Member] | Decrease 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation (11)  
Salary increase [Member] | Decrease 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation (6)  
Salary increase [Member] | Increase 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 6  
Salary increase [Member] | Increase 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 11  
Discount rate [Member] | Decrease 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 28  
Discount rate [Member] | Decrease 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 14  
Discount rate [Member] | Increase 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation (14)  
Discount rate [Member] | Increase 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation (28)  
Mortality table [Member] | Decrease 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 13  
Mortality table [Member] | Decrease 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation 6  
Mortality table [Member] | Increase 5% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation (6)  
Mortality table [Member] | Increase 10% [Member]    
Actuarial assumptions [Line Items]    
Defined benefit obligation $ (13)