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Pension and Other Postretirement Benefits - Components of Pension Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Other Postretirement Benefits      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost $ 0 $ 1 $ 1
Interest cost 6 4 4
Amortization of actuarial loss 0 2 4
Amortization of prior service cost 0 (20) (26)
Net periodic cost 6 (13) (17)
U.S. Plans | Pension Plan      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost 13 19 20
Interest cost 54 31 25
Expected return on plan assets (60) (75) (63)
Curtailments and special termination benefits 0 1 9
Amortization of actuarial loss 43 44 58
Amortization of prior service cost 1 1 1
Net periodic cost 51 21 50
Non-U.S. Plans | Pension Plan      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost 7 9 13
Interest cost 19 13 32
Expected return on plan assets (22) (22) (72)
Settlements 0 0 1,511
Special termination benefits 6 0 0
Amortization of actuarial loss 3 5 33
Amortization of prior service cost 0 (1) 0
Net periodic cost $ 13 $ 4 $ 1,517