Employee Benefit Plans (Actual Asset Allocation For Global Pension Plan Assets) (Details)	Dec. 31, 2016	Dec. 31, 2015
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	100.00%	100.00%
Pension Benefits [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	59.00%	58.00%
Pension Benefits [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	40.00%	40.00%
Pension Benefits [Member] | Other Pension Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	1.00%	2.00%
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of U.S. pension plan to global pension plan assets (as a percent)	79.00%
U.S. Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	60.00%
U.S. Pension Plans [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	40.00%
Foreign Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	54.00%
Foreign Pension Plans [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	41.00%
Foreign Pension Plans [Member] | Other Pension Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	5.00%