Retirement Plans and Postretirement Medical Benefits (Weighted-Average Actuarial Assumptions) (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pension Benefits | United States
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.85%	2.54%	3.34%
Discount rate	2.54%	3.34%	4.34%
Expected return on plan assets	5.60%	6.25%	6.75%
Pension Benefits | Foreign | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.85%	0.70%	0.65%
Discount rate	0.70%	0.65%	0.75%
Expected return on plan assets	3.50%	4.25%	4.25%
Rate of compensation increase	1.50%	1.50%	1.50%
Rate of compensation increase	1.50%	1.50%	1.50%
Pension Benefits | Foreign | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.85%	2.40%	2.95%
Discount rate	2.40%	2.95%	3.55%
Expected return on plan assets	5.75%	6.00%	6.25%
Rate of compensation increase	3.65%	2.50%	2.50%
Rate of compensation increase	2.50%	2.50%	2.50%
Nonpension postretirement benefit plans | United States
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.80%	2.35%	3.20%
Discount rate	2.35%	3.20%	4.20%
Nonpension postretirement benefit plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.90%	2.50%	3.00%
Discount rate	2.50%	3.00%	3.60%