Goodwill and Other Identifiable Intangible Assets

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Identifiable Intangible Assets

The change in the carrying amount of goodwill attributable to each reportable business segment for the years ended December 31, 2016 and 2015 was as follows:



($ in millions)	Performance Coatings			Industrial Coatings			Glass			Total
Balance, January 1, 2015	$	3,267		$	486		$	48		$	3,801
Acquisitions	109			104			—			213
Foreign currency translation	(303		)	(38		)	(4		)	(345		)
Balance, December 31, 2015	$	3,073		$	552		$	44		$	3,669
Acquisitions	6			168			—			174
Divestitures	—			—			(44		)	(44		)
Foreign currency translation	(209		)	(18		)	—			(227		)
Balance, December 31, 2016	$	2,870		$	702		$	—		$	3,572

The carrying amount of acquired trademarks with indefinite lives as of December 31, 2016 and 2015 totaled $1,107 million and $1,250 million, respectively. The decrease is primarily due to the strengthening of the U.S. dollar against most currencies. Refer to "Currency" section under Part II, Item 7. "Management’s Discussion and Analysis of Financial Conditions and Results of Operations.”

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



	December 31, 2016							December 31, 2015
($ in millions)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Acquired technology	$	587	$	(446	)	$	141	$	572	$	(421	)	$	151
Customer-related intangibles	1,272		(618		)	654		1,267		(574		)	693
Tradenames	142		(71		)	71		132		(61		)	71
Other	38		(28		)	10		39		(26		)	13
Balance	$	2,039	$	(1,163	)	$	876	$	2,010	$	(1,082	)	$	928

Aggregate amortization expense was $121 million, $132 million and $126 million in 2016, 2015 and 2014, respectively. The estimated future amortization expense of identifiable intangible assets per year is as follows:



($ in millions)	2017		2018		2019		2020		2021
Estimated future amortization expense	$	120	$	115	$	100	$	90	$	85

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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