Pension And Other Benefit Programs (Schedule Of Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation discount rate	4.12%	4.40%
Benefit obligation rate of compensation increase	3.10%	3.10%
Net periodic benefit cost discount rate	4.40%	4.05%
Net periodic benefit cost expected return on plan assets	6.75%	7.00%
Net periodic benefit cost rate of compensation increase	3.10%	3.10%
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation discount rate	2.40%	3.40%
Benefit obligation rate of compensation increase	3.10%	2.60%
Net periodic benefit cost discount rate	3.10%	3.40%
Net periodic benefit cost expected return on plan assets	4.20%	4.50%
Net periodic benefit cost rate of compensation increase	2.60%	2.60%
U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation discount rate	4.10%	4.25%
Net periodic benefit cost discount rate	4.17%	3.90%