Retirement Plans Retirement Plans (Projected Future Pension Benefit Payments, Excluding Any Termination Beneftis) (Details) (U.S. Plans [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2012
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected future pension benefit payments, 2013	$ 736
Projected future pension benefit payments, 2014	741
Projected future pension benefit payments, 2015	752
Projected future pension benefit payments, 2016	762
Projected future pension benefit payments, 2017	774
Projected future pension benefit payments, 2018 - 2022	$ 4,090

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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=21915506&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

+ Details

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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

+ Details

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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

+ Details

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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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- Definition

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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