Benefit Obligations (Schedule of Percentage of US and International Fair Value of Plan Assets) (Details)	Dec. 31, 2019	Dec. 31, 2018
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of US and international fair value of plan assets	100.00%	100.00%
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Percentage of US and international fair value of plan assets	87.00%	88.00%
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of US and international fair value of plan assets	13.00%	12.00%