Postretirement benefits Schedule of assumptions used to determine benefit obligation (Details)		Dec. 31, 2024	Dec. 31, 2023
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit Obligation, Discount Rate		6.46%	6.01%
UNITED STATES | Pension Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit Obligation, Discount Rate		5.56%	4.98%
Interest crediting rate		4.43%	4.55%
Non - U.S. | Pension Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit Obligation, Discount Rate		5.62%	5.03%
Benefit Obligation, Rate of Compensation Increase	[1]	3.61%	3.73%

[1] 1) For the U.S. Pension Plans, benefit accruals were frozen as of December 31, 2019.