Goodwill and Other Identifiable Intangible Assets (Carrying Amount of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2013
Goodwill [Roll Forward]
Beginning Balance	$ 3,801us-gaap_Goodwill	$ 3,801us-gaap_Goodwill
Acquisitions	(55)us-gaap_GoodwillAcquiredDuringPeriod
Currency	(205)
Ending Balance	3,541us-gaap_Goodwill	3,801us-gaap_Goodwill
Performance Coatings [Member]
Goodwill [Roll Forward]
Beginning Balance		3,267
Acquisitions	(55)
Currency	(162)
Ending Balance	3,050	3,267
Industrial Coatings [Member]
Goodwill [Roll Forward]
Beginning Balance		486
Acquisitions	0
Currency	(38)
Ending Balance	448	486
Glass [Member]
Goodwill [Roll Forward]
Beginning Balance		48
Acquisitions	0
Currency	(5)
Ending Balance	$ 43	$ 48

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

+ 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 (a)

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

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting 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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