Retirement Benefits (Weighted Average Actuarial Assumptions Utilized) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	3.48%	3.07%
Expected return on plan assets	5.74%	5.83%
Rate of compensation increase (for expense)	1.74%	1.73%
Discount rate (for benefit obligation)	2.57%	3.48%
Rate of compensation increase (for benefit obligation)	1.76%	1.74%
Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	3.65%	3.21%
Expected return on plan assets	0.00%	0.00%
Rate of compensation increase (for expense)	0.00%	0.00%
Discount rate (for benefit obligation)	2.72%	3.65%
Rate of compensation increase (for benefit obligation)	0.00%	0.00%
U.S. | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	4.45%	3.86%
Expected return on plan assets	7.95%	7.95%
Discount rate (for benefit obligation)	3.44%	4.45%
U.S. | Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	4.24%	3.67%
Expected return on plan assets	0.00%	0.00%
Discount rate (for benefit obligation)	3.10%	4.24%
Non-U.S. | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	2.89%	2.58%
Expected return on plan assets	4.87%	4.94%
Rate of compensation increase (for expense)	2.82%	2.80%
Discount rate (for benefit obligation)	2.09%	2.89%
Rate of compensation increase (for benefit obligation)	2.75%	2.82%
Non-U.S. | Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate (for expense)	3.32%	2.97%
Expected return on plan assets	0.00%	0.00%
Rate of compensation increase (for expense)	0.00%	0.00%
Discount rate (for benefit obligation)	2.53%	3.32%
Rate of compensation increase (for benefit obligation)	0.00%	0.00%