Goodwill (Tables)

6 Months Ended

Apr. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Allocation and Changes in the Carrying Amount of Goodwill

The following table represents the change in carrying value of goodwill, by reportable segment, for six months ended April 30, 2020:

	Compute		HPC & MCS		Storage		Intelligent Edge		Financial Services		Total
	In millions
Balance at October 31, 2019	$	7,532	$	4,478	$	4,158	$	1,994	$	144	$	18,306
Goodwill impairment	—		(865)		—		—		—		(865)
Goodwill adjustments	—		2		1		—		—		3
Balance at April 30, 2020	$	7,532	$	3,615	$	4,159	$	1,994	$	144	$	17,444