Employee Benefit Plans (Principal Assumptions In Developing Year-End Actuarial Present Value Of The Projected Benefit Obligation) (Details) |
Dec. 31, 2015 |
Dec. 31, 2014 |
---|---|---|
Pension Benefits [Member] | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Discount rate (as a percent) | 4.00% | 3.50% |
Rate of compensation increase (as a percent) | 4.70% | 3.80% |
Other Postretirement Benefit Plan [Member] | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Discount rate (as a percent) | 4.00% | 3.80% |