Benefit Plans (Expected Future Benefit Payments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013
U.S. Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Expected employer contribution in 2014	$ 56
Expected benefit payments for fiscal year ending:
2014	62
2015	63
2016	64
2017	66
2018	67
2019 - 2023	361
Foreign Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Expected employer contribution in 2014	167
Expected benefit payments for fiscal year ending:
2014	381
2015	396
2016	409
2017	425
2018	440
2019 - 2023	$ 2,437

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- Definition

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

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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

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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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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ 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 (g)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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