Employee Benefit Plans (Assumptions Used For Pension Benefits Accounting) (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Qualified Pension Plans [Member]
Benefit Obligations [Abstract]
Discount rate	4.10%	4.70%	4.10%
Net Periodic Benefit Cost [Abstract]
Discount rate	4.70%	4.10%
Expected long-term rate of return on plan assets	6.75%	7.75%
Qualified Pension Plans [Member] \| Minimum [Member]
Benefit Obligations [Abstract]
Salary increase	4.00%	4.00%	4.00%
Net Periodic Benefit Cost [Abstract]
Discount rate			4.60%
Salary increase	4.00%	4.00%	4.00%
Expected long-term rate of return on plan assets			8.00%
Qualified Pension Plans [Member] \| Maximum [Member]
Benefit Obligations [Abstract]
Salary increase	4.40%	4.40%	4.30%
Net Periodic Benefit Cost [Abstract]
Discount rate			5.10%
Salary increase	4.40%	4.30%	4.40%
Expected long-term rate of return on plan assets			8.25%
Non-Qualified Pension Plans [Member]
Benefit Obligations [Abstract]
Discount rate	4.10%	4.70%	4.10%
Salary increase	4.40%	4.40%	4.30%
Net Periodic Benefit Cost [Abstract]
Discount rate	4.70%	4.10%
Salary increase	4.40%	4.30%	4.40%
Non-Qualified Pension Plans [Member] \| Minimum [Member]
Net Periodic Benefit Cost [Abstract]
Discount rate			4.60%
Non-Qualified Pension Plans [Member] \| Maximum [Member]
Net Periodic Benefit Cost [Abstract]
Discount rate			5.10%
Other Post-Retirement Benefit Plans [Member]
Benefit Obligations [Abstract]
Discount rate	4.10%	4.70%	4.10%
Net Periodic Benefit Cost [Abstract]
Discount rate	4.70%	4.10%
Expected long-term rate of return on plan assets	6.75%	7.75%
Assumed tax rate	35.00%	35.00%	35.00%
Other Post-Retirement Benefit Plans [Member] \| Minimum [Member]
Net Periodic Benefit Cost [Abstract]
Discount rate			4.60%
Expected long-term rate of return on plan assets			5.00%
Other Post-Retirement Benefit Plans [Member] \| Maximum [Member]
Net Periodic Benefit Cost [Abstract]
Discount rate			5.10%
Expected long-term rate of return on plan assets			8.00%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(2)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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- Definition

The interest rate used to adjust for the time value of money.

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(2)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

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-Name Accounting Standards Codification

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