Retirement Benefits (Benefit Payments Of Expected Future Service ) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	$ 642
2015	642
2016	667
2017	697
2018	731
2019-2023	4,252
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	130
2015	125
2016	123
2017	119
2018	114
2019-2023	483
AA [Member] \| Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	640
2015	639
2016	664
2017	694
2018	728
2019-2023	4,234
AA [Member] \| Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	119
2015	116
2016	114
2017	110
2018	104
2019-2023	$ 443

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ 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=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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