Goodwill (Tables)

6 Months Ended

Apr. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Allocation and Changes in the Carrying Amount of Goodwill

Goodwill allocated to the Company's reportable segments as of April 30, 2019 and the change in the respective carrying amounts during the six months then ended were as follows:

	Hybrid IT		Intelligent Edge		Financial Services		Total
	In millions
Balance at October 31, 2018(1) (2)	$	15,479	$	1,914	$	144	$	17,537
Goodwill acquired during the period(3)	48		—		—		48
Goodwill adjustments	2		—		—		2
Balance at April 30, 2019(2)	$	15,529	$	1,914	$	144	$	17,587

(1) As a result of the organizational realignments effective during the first quarter of fiscal 2019, which are described in detail in Note 2, "Segment Information", goodwill was reclassified to the respective segments as of the beginning of the period using a relative fair value approach.

(2) Goodwill is net of an accumulated impairment loss of $88 million related to the Corporate Investments segment which was recorded during the fourth quarter of fiscal 2018. There is no remaining goodwill in the Corporate Investments segment.

(3) Goodwill acquired in connection with the acquisition of BlueData.