Retirement Benefits Plans - Estimated Pension and Other Postretirement Benefit Payments (Details 10) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Estimated United States pension payments [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans
2014	$ 314
2015	256
2016	273
2017	277
2018	283
2019 - 2023	1,499
Estimated non-United States pension payments [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans
2014	91
2015	92
2016	94
2017	99
2018	101
2019 - 2023	545
Gross [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans
2014	93
2015	86
2016	82
2017	78
2018	74
2019 - 2023	316
Medicare Prescription Drug Subsidy [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans
Medicare prescription drug subsidy 2014	(6)
Medicare prescription drug subsidy 2015	(6)
Medicare prescription drug subsidy 2016	(6)
Medicare prescription drug subsidy 2017	(5)
Medicare prescription drug subsidy 2018	(4)
Medicare prescription drug subsidy 2019 - 2023	$ (13)

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.

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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.

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

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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.

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

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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.

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Amount of the prescription drug subsidy receipts to be received in the next fiscal year following the latest fiscal year.

+ 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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964

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Amount of the prescription drug subsidy receipts to be received after the fifth rolling twelve months following the latest balance sheet presented.

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Amount of the prescription drug subsidy receipts to be received in the fifth fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the fourth fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the third fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the second fiscal year following the latest fiscal year.

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