Goodwill and Other Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount of Goodwill Attributable to Each Reportable Segment

Goodwill
($ in millions)	Performance Coatings			Industrial Coatings			Total
January 1, 2017		$2,870			$702			$3,572
Acquisitions, including purchase accounting adjustments	23			89			112
Foreign currency translation	211			47			258
December 31, 2017		$3,104			$838			$3,942
Acquisitions, including purchase accounting adjustments	248			(13		)	235
Foreign currency translation	(86		)	(21		)	(107		)
December 31, 2018		$3,266			$804			$4,070

Identifiable Intangible Assets with Finite Lives

Identifiable Intangible Assets
	December 31, 2018							December 31, 2017
($ in millions)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Indefinite-Lived Identifiable Intangible Assets
Trademarks		$1,140		$—			$1,140		$1,158		$—			$1,158
Definite-Lived Identifiable Intangible Assets
Acquired technology		$648		($515	)		$133		$613		($489	)		$124
Customer-related	1,396		(798		)	598		1,437		(762		)	675
Tradenames	190		(96		)	94		166		(87		)	79
Other	44		(37		)	7		44		(35		)	9
Total Definite Lived Intangible Assets		$2,278		($1,446	)		$832		$2,260		($1,373	)		$887
Total Identifiable Intangible Assets		$3,418		($1,446	)		$1,972		$3,418		($1,373	)		$2,045

The Company’s identifiable intangible assets with definite lives are being amortized over their estimated useful lives. Aggregate amortization expense was $143 million, $129 million and $121 million in 2018, 2017 and 2016, respectively.

($ in millions)	2019		2020		2021		2022		2023
Estimated future amortization expense		$125		$100		$95		$85		$80