Retirement Plans and Postretirement Medical Benefits (Weighted-Average Actuarial Assumptions) (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Benefits | United States
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.34%	5.65%	5.15%
Discount rate	5.65%	5.15%	5.55%
Expected return on plan assets	6.90%	6.70%	6.50%
Pension Benefits | Foreign | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.20%	2.20%	1.95%
Discount rate	2.20%	1.95%	1.95%
Expected return on plan assets	3.00%	2.75%	2.75%
Rate of compensation increase	2.00%	2.00%	2.00%
Rate of compensation increase	2.00%	2.00%	2.00%
Pension Benefits | Foreign | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	6.40%	6.70%	4.60%
Discount rate	6.70%	4.60%	5.10%
Expected return on plan assets	7.00%	5.50%	5.26%
Rate of compensation increase	9.94%	9.88%	3.50%
Rate of compensation increase	9.88%	3.50%	3.60%
Nonpension postretirement benefit plans | United States
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.30%	5.60%	5.20%
Discount rate	5.60%	5.20%	5.60%
Nonpension postretirement benefit plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.65%	4.55%	4.60%
Discount rate	4.55%	4.60%	5.15%