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Retirement Benefits - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Deferred compensation plan, employer percentage of matching 4.00%    
Deferred compensation plan, maximum employer contribution for board officers $ 50,000    
Defined contribution plan, expenses for material defined contribution plans 53,000,000 $ 45,000,000 $ 43,000,000
Defined contribution plan, discretionary matching contributions made during period $ 0 $ 0 $ 0
Pension Benefit Plans | United States      
Defined Benefit Plan Disclosure [Line Items]      
Years of service required 1 year    
Discount rate 5.70% 5.01% 5.20%
Company contributions $ 6,000,000 $ 3,000,000  
Net periodic pension cost (84,000,000) (81,000,000) $ (64,000,000)
Actuarial present value of the future death benefits $ 3,755,000,000 $ 3,928,000,000 $ 3,809,000,000
Pension Benefit Plans | Non U.S.      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.07% 4.30% 4.60%
Company contributions $ 9,000,000 $ 9,000,000  
Net periodic pension cost (43,000,000) (16,000,000) $ (51,000,000)
Actuarial present value of the future death benefits $ 1,163,000,000 $ 1,347,000,000 1,207,000,000
Postretirement Health Care Benefits Plan      
Defined Benefit Plan Disclosure [Line Items]      
Retirement age 65 years    
Maximum annual participant subsidy (per participant) $ 560    
Discount rate 5.49% 4.92%  
Company contributions $ 0 $ 0  
Net periodic pension cost (3,000,000) (3,000,000) (6,000,000)
Actuarial present value of the future death benefits 105,000,000 96,000,000 103,000,000
Split-dollar Life Insurance Arrangement      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic pension cost 3,000,000 5,000,000 $ 5,000,000
Actuarial present value of the future death benefits $ 46,000,000 $ 52,000,000