Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of allocation and changes in the carrying amount of goodwill

Goodwill and related changes in the carrying amount by reportable segment were as follows:

	Hybrid IT(1)			Intelligent Edge(1)		Financial Services		Corporate Investments(1)			Total
	In millions
Balance at October 31, 2017	$	15,373		$	1,911	$	144	$	88		$	17,516
Goodwill acquired during the period	101			3		—		—			104
Impairment of goodwill	—			—		—		(88		)	(88		)
Changes due to foreign currency	(1		)	—		—		—			(1		)
Goodwill adjustments	6			—		—		—			6
Balance at October 31, 2018	15,479			1,914		144		—			17,537
Goodwill acquired during the period	767			—		—		—			767
Goodwill adjustments	2			—		—		—			2
Balance at October 31, 2019	$	16,248		$	1,914	$	144	$	—		$	18,306

(1)

Effective at the beginning of the first quarter of fiscal 2019, the Company implemented organizational changes to align its segment financial reporting more closely with its current business structure, which are described in detail in Note 3, "Segment Information". Goodwill was reclassified to the respective segments using a relative fair value approach.

Intangible Assets

Intangible assets comprise:

	As of October 31, 2019							As of October 31, 2018
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
	In millions
Customer contracts, customer lists and distribution agreements	$	312	$	(96	)	$	216	$	272	$	(142	)	$	130
Developed and core technology and patents	1,371		(719		)	652		1,121		(525		)	596
Trade name and trade marks	163		(44		)	119		87		(42		)	45
In-process research and development	141		—			141		18		—			18
Total intangible assets	$	1,987	$	(859	)	$	1,128	$	1,498	$	(709	)	$	789

Schedule of intangible assets

As of October 31, 2019, the weighted-average remaining useful lives of the Company's finite-lived intangible assets were as follows:

Finite-Lived Intangible Assets	Weighted-Average Remaining Useful Lives
	In years
Customer contracts, customer lists and distribution agreements	3
Developed and core technology and patents	4
Trade name and trade marks	5

Schedule of estimated future amortization expense related to finite-lived purchased intangible assets

As of October 31, 2019, estimated future amortization expense related to finite-lived intangible assets was as follows:

Fiscal year	In millions
2020	$	325
2021	251
2022	172
2023	138
2024	87
Thereafter	14
Total	$	987