Retirement Benefits (Schedule Of Expected Payments From Qualified Trust And Company Funds) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Pension Benefits \| Paid From Qualified Trust
Defined Benefit Plan Disclosure [Line Items]
2015	$ 253
2016	256
2017	257
2018	260
2019	260
2020 - 2024	1,273
Pension Benefits \| Paid From Company Funds
Defined Benefit Plan Disclosure [Line Items]
2015	3
2016	3
2017	4
2018	3
2019	3
2020 - 2024	11
Postretirement Benefits \| Paid From Qualified Trust
Defined Benefit Plan Disclosure [Line Items]
2015	58
2016	61
2017	64
2018	68
2019	70
2020 - 2024	388
Postretirement Benefits \| Paid From Company Funds
Defined Benefit Plan Disclosure [Line Items]
2015	2
2016	2
2017	2
2018	2
2019	2
2020 - 2024	$ 11

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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 (f)

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

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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