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Postretirement Benefit Plans (Details Textual)
shares in Thousands, £ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2022
GBP (£)
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Number of years eligible employees can receive transition credits 5 years 5 years    
Number of shares held by employees in Employee Stock Ownership Plan | shares 245   256  
Charge resulting from curtailment or settlement recorded $ 137,000,000   $ 0 $ 0
Prior service credit (3,000,000)   (3,000,000)  
Accumulated benefit obligation 460,000,000   1,009,000,000  
Estimated pension plan contributions during the next fiscal quarter 5,000,000      
Net gain (loss) $ 101,000,000   51,000,000 (78,000,000)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets 5.90% 5.90%    
Fair value of plan assets $ 246,000,000   679,000,000  
U.K. pension settlement expense (140,000,000)   0 0
Pension        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Prior service credit 1,000,000   4,000,000  
Employer Contribution to defined benefit Plan 19,000,000      
Fair value of plan assets 246,000,000   679,000,000  
Other Benefits        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Prior service credit (4,000,000)   (7,000,000)  
Net actuarial losses, before tax (1,000,000)   (2,000,000) (2,000,000)
Prior service credit, before tax (2,000,000)   (2,000,000) (3,000,000)
Employer Contribution to defined benefit Plan     29,000,000  
Net gain (loss) 9,000,000   0 (1,000,000)
Fair value of plan assets $ 0   0  
Minimum        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Employer matching contribution 3.00% 3.00%    
Estimated pension plan contributions during next fiscal year $ 18,000,000      
Maximum        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Employer matching contribution 7.00% 7.00%    
Estimated pension plan contributions during next fiscal year $ 26,000,000      
Cash and cash equivalents        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Fair value of plan assets 2,000,000   6,000,000  
International defined benefit pension plans        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
Charge resulting from curtailment or settlement recorded 137,000,000   0 0
Net actuarial losses, before tax (10,000,000)   (17,000,000) (14,000,000)
Employer Contribution to defined benefit Plan 16,000,000   26,000,000  
Net gain (loss) $ 95,000,000   $ 51,000,000 $ (74,000,000)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets 2.79% 2.79% 2.60% 2.82%
Discount rate 4.13%   1.55% 1.06%
Fair value of plan assets $ 166,000,000   $ 571,000,000 $ 578,000,000
Discount rate 1.55% 1.55% 1.06% 1.80%
UNITED KINGDOM        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block        
U.K. pension settlement expense $ 140,000,000 £ 123