Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Beginning Balance	$ 668us-gaap_Goodwill	$ 664us-gaap_Goodwill
Divestitures	0	(1)
Translation	(67)us-gaap_GoodwillTranslationAdjustments	5us-gaap_GoodwillTranslationAdjustments
Ending Balance	601us-gaap_Goodwill	668us-gaap_Goodwill
North America
Goodwill [Roll Forward]
Beginning Balance	93	93
Divestitures	0	0
Translation	0	0
Ending Balance	93	93
Europe, Middle East and Africa
Goodwill [Roll Forward]
Beginning Balance	511	497
Divestitures	0	(1)
Translation	(63)	15
Ending Balance	448	511
Asia Pacific
Goodwill [Roll Forward]
Beginning Balance	64	74
Divestitures	0	0
Translation	(4)	(10)
Ending Balance	$ 60	$ 64

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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