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Goodwill

9 Months Ended

Jul. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill allocated to the Company's reportable segments as of July 31, 2018 and the change in the respective carrying amounts during the nine months then ended were as follows:



	Hybrid IT				Intelligent Edge				Financial Services				Total
	In millions
Balance at October 31, 2017	$	15,454			$	1,918			$	144			$	17,516
Goodwill acquired during the period	102				3				—				105
Changes due to foreign currency	(1		)		—				—				(1		)
Goodwill adjustments	6				—				—				6
Balance at July 31, 2018	$	15,561			$	1,921			$	144			$	17,626

On November 1, 2017, the Company’s former EG segment was realigned into two new reportable segments, Hybrid IT and Intelligent Edge. The Company's reporting units are consistent with the reportable segments identified in Note 3, "Segment Information". As a result of this realignment, the Company performed an interim goodwill impairment analysis for Hybrid IT and Intelligent Edge as of November 1, 2017, which did not result in any impairment charges. The Company will continue to evaluate the recoverability of goodwill at the reporting unit level on an annual basis as of the beginning of its fourth fiscal quarter and whenever events or changes in circumstances indicate there may be a potential impairment.

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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