Pensions Benefit Plans and Other Postretirement Benefits - Weighted Average Assumptions (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefit Plans. | U.S.
Weighted average assumptions used to determine pension and accumulated postretirement benefit obligations
Discount rate	5.18%	5.48%
Weighted average assumptions used to determine net periodic pension costs and net postretirement benefit cost
Discount rate	5.48%	2.86%	2.61%
Expected long-term rate of return on assets	5.75%	5.75%	6.85%
Pension Benefit Plans. | Non-U.S.
Weighted average assumptions used to determine pension and accumulated postretirement benefit obligations
Discount rate	5.12%	5.52%
Rate of compensation increase	3.24%	3.28%
Weighted average assumptions used to determine net periodic pension costs and net postretirement benefit cost
Discount rate	5.52%	2.53%	1.92%
Rate of compensation increase	3.28%	3.18%	2.80%
Expected long-term rate of return on assets	4.67%	4.21%	5.46%
Other Postretirement Benefits Plan | U.S.
Weighted average assumptions used to determine pension and accumulated postretirement benefit obligations
Discount rate	5.18%	5.48%	2.90%
Weighted average assumptions used to determine net periodic pension costs and net postretirement benefit cost
Discount rate	5.48%	2.90%	2.48%
Other Postretirement Benefits Plan | Non-U.S.
Weighted average assumptions used to determine pension and accumulated postretirement benefit obligations
Discount rate	4.65%	5.15%	2.95%
Weighted average assumptions used to determine net periodic pension costs and net postretirement benefit cost
Discount rate	5.15%	2.95%	2.55%