Goodwill And Other Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets Disclosure [Text Block]


.	GOODWILL AND OTHER INTANGIBLE ASSETS

Core deposit and other intangible assets and related accumulated amortization are as follows at December 31:



	Gross carrying amount				Accumulated amortization						Net carrying amount
(In millions)	2017		2016		2017			2016			2017		2016

Core deposit intangibles	$	167	$	167	$	(165	)	$	(159	)	$	2	$	8
Customer relationships and other intangibles	28		28		(28		)	(28		)	—		—
Total	$	195	$	195	$	(193	)	$	(187	)	$	2	$	8

The amount of amortization expense of core deposit and other intangible assets is separately reflected in the statement of income. Estimated amortization expense for core deposit and other intangible assets is $2 million in 2018, less than $1 million in 2019, and nothing thereafter.

Changes in the carrying amount of goodwill for operating segments with goodwill are as follows:



(In millions)	Zions Bank		CB&T		Amegy		Consolidated Company

Balance at December 31, 2015	$	20	$	379	$	615	$	1,014
Impairment losses	—		—		—		—
Balance at December 31, 2016	20		379		615		1,014
Impairment losses	—		—		—		—
Balance at December 31, 2017	$	20	$	379	$	615	$	1,014

A company-wide annual impairment test is conducted as of October 1 of each year and updated on a more frequent basis when events or circumstances indicate that impairment could have taken place. Results of the testing for 2017 and 2016 concluded that no impairment was present in any of the operating segments.

- 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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