Retirement Benefits Plans - Components of Pension Plans with Accumulated Benefit Obligation in Excess of Plan Assets (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
United States pension liabilities [Member]
Components of pension plans with an accumulated benefit obligation in excess of plan assets
Projected benefit obligation	$ 3,166	$ 3,817
Accumulated benefit obligation	2,999	3,639
Fair value of plan assets	2,437	2,607
Non-United States pension liabilities [Member]
Components of pension plans with an accumulated benefit obligation in excess of plan assets
Projected benefit obligation	1,411	1,412
Accumulated benefit obligation	1,349	1,307
Fair value of plan assets	$ 635	$ 657

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If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 55

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=32704760&loc=d3e4179-114921

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2417-114920

+ Details

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- Definition

If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References

+ Details

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- Definition

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References

+ Details

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