Goodwill and Intangible Assets

Goodwill



	Wired Infrastructure			Wireless Communications			Enterprise Storage		Industrial & Other		Total

	(In millions)
Balance as of October 30, 2016	$	17,641		$	5,952		$	995	$	144	$	24,732
Broadcom Merger adjustments	(25		)	(7		)	—		—		(32		)
Acquisitions	6			—			—		—		6
Balance as of October 29, 2017	17,622			5,945			995		144		24,706
Acquisitions	83			—			2,117		7		2,207
Balance as of November 4, 2018	$	17,705		$	5,945		$	3,112	$	151	$	26,913

During each of the fourth quarters of fiscal years 2018, 2017 and 2016, we completed our annual impairment assessments and concluded that goodwill was not impaired in any of these years.

Intangible Assets



	Gross Carrying Amount		Accumulated Amortization			Net Book Value

	(In millions)
As of November 4, 2018:
Purchased technology	$	15,806	$	(6,816	)	$	8,990
Customer contracts and related relationships	1,792		(878		)	914
Trade names	578		(170		)	408
Other	239		(53		)	186
Intangible assets subject to amortization	18,415		(7,917		)	10,498
IPR&D	264		—			264
Total	$	18,679	$	(7,917	)	$	10,762

As of October 29, 2017:
Purchased technology	$	12,724	$	(4,265	)	$	8,459
Customer contracts and related relationships	4,240		(3,100		)	1,140
Trade names	528		(117		)	411
Other	135		(25		)	110
Intangible assets subject to amortization	17,627		(7,507		)	10,120
IPR&D	712		—			712
Total	$	18,339	$	(7,507	)	$	10,832

Based on the amount of intangible assets subject to amortization at November 4, 2018, the expected amortization expense for each of the next five fiscal years and thereafter was as follows:



Fiscal Year:	Expected Amortization Expense

	(In millions)
2019	$	2,882
2020	2,437
2021	1,945
2022	1,441
2023	650
Thereafter	1,143
Total	$	10,498

The weighted-average amortization periods remaining by intangible asset category were as follows:



Amortizable intangible assets:	November 4, 2018	October 29, 2017

	(In years)
Purchased technology	6	5
Customer contracts and related relationships	5	4
Trade names	12	13
Other	10	10