Goodwill and Other Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

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 segment for the three months ended March 31, 2018 was as follows:

($ in millions)	Performance Coatings		Industrial Coatings		Total
January 1, 2018		$3,104		$838		$3,942
Acquisitions	53		1		54
Foreign currency	93		11		104
March 31, 2018		$3,250		$850		$4,100

Identifiable Intangible Assets with Finite Lives

A summary of the carrying value of the Company's identifiable intangible assets is as follows:

	March 31, 2018							December 31, 2017
($ in millions)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Trademarks - indefinite lives		$1,218	N/A				$1,218		$1,158	N/A				$1,158
Customer-related intangibles		$1,484		($798	)		$686		$1,437		($762	)		$675
Acquired technology	638		(500		)	138		613		(489		)	124
Trade names	173		(94		)	79		166		(87		)	79
Other	47		(36		)	11		44		(35		)	9
Total		$3,560		($1,428	)		$2,132		$3,418		($1,373	)		$2,045

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Three Months Ended March 31
($ in millions)	2018		2017
Amortization expense related to identifiable intangible assets		$36		$31

As of March 31, 2018, estimated future amortization expense of identifiable intangible assets is as follows:

($ in millions)	Future Amortization Expense
Remaining nine months of 2018		$89
2019	115
2020	105
2021	100
2022	100
2023	90
Thereafter	315