Goodwill and Other Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount of Goodwill Attributable to Each Reportable Segment

The change in the carrying amount of goodwill attributable to each reportable business segment for the years ended December 31, 2012 and 2011 was as follows:

(Millions)	Perform-ance Coatings			Industrial Coatings			Architectural Coatings— EMEA			Optical and Specialty Materials			Glass			Commodity Chemicals (1)		Total
Balance, Jan. 1, 2011	$	1,151		$	495		$	966		$	49		$	52		$	6	$	2,719
Goodwill from acquisitions	4			—			1			—			—			—		5
Currency translation	(16		)	(11		)	(34		)	(1		)	(2		)	—		(64		)
Balance, Dec. 31, 2011	$	1,139		$	484		$	933		$	48		$	50		$	6	$	2,660
Goodwill from acquisitions	22			18			18			—			—			—		58
Currency translation	12			10			19			—			2			—		43
Balance, Dec. 31, 2012	$	1,173		$	512		$	970		$	48		$	52		$	6	$	2,761

Identifiable Intangible Assets with Finite Lives

The Company’s identifiable intangible assets with finite lives are being amortized over their estimated useful lives and are detailed below.

	Dec. 31, 2012							Dec. 31, 2011
(Millions)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Acquired  technology	$	516	$	(342	)	$	174	$	511	$	(308	)	$	203
Customer-related intangibles	1,010		(491		)	519		945		(412		)	533
Tradenames	120		(57		)	63		116		(50		)	66
Other	34		(29		)	5		32		(25		)	7
Balance	$	1,680	$	(919	)	$	761	$	1,604	$	(795	)	$	809