Pension Benefit Plans and Other Postretirement Benefits - Changes in Plan Assets and Benefit Obligations Recognized in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pension Benefit Plans. | U.S.
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	$ (15)	$ (3)
Amortization of actuarial loss	(9)	(40)
Settlement		(13)
Total	(24)	(56)
Pension Benefit Plans. | Non-U.S.
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	38	71
Amortization of actuarial loss	(9)	(9)
Settlement	(6)	(7)
Curtailment	(13)
Other		3
Foreign currency translation	21	(29)
Total	31	29
Other Postretirement Benefits Plan | U.S.
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss		(11)
Amortization of actuarial loss	(8)	(8)
Amortization of prior service credit	9	8
Total	1	(11)
Other Postretirement Benefits Plan | Non-U.S.
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	3	(29)
Amortization of actuarial loss	3
Foreign currency translation	(1)	2
Total	$ 5	$ (27)