Restructuring and Related Implementation Charges (Details 4) (Two Thousand Twelve Restructuring Program [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 192us-gaap_RestructuringReserve
Charges	100	102
Cash payments	(41)us-gaap_PaymentsForRestructuring
Charges against assets	(14)
Foreign exchange	(6)
Ending Balance	231us-gaap_RestructuringReserve
Employee-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	85
Charges	35
Cash payments	(15)
Charges against assets	(8)
Foreign exchange	(5)
Ending Balance	92
Incremental Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Charges	6
Cash payments	0
Charges against assets	(6)
Foreign exchange	0
Ending Balance	0
Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Charges	0
Cash payments	0
Charges against assets	0
Foreign exchange	0
Ending Balance	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	107
Charges	59
Cash payments	(26)
Charges against assets	0
Foreign exchange	(1)
Ending Balance	139
Third Party Incremental Cost [Member]
Restructuring Cost and Reserve [Line Items]
Charges	12
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	3
Land And Building [Member]
Restructuring Cost and Reserve [Line Items]
Charges	$ 44

Restructuring Reserve, Charges Against Assets

No definition available.

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Balance Type:	debit
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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Period Type:	duration

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

+ Details

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost.

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b)(2))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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