Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jan. 27, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill by Reportable Segment

The following table presents the goodwill allocated to the Company’s reportable segments as of and during the six months ended January 27, 2018 (in millions):

	Balance at						Balance at
	July 29, 2017		Acquisitions		Other		January 27, 2018
Americas	$	18,691	$	337	$	101	$	19,129
EMEA	7,057		93		42		7,192
APJC	4,018		28		24		4,070
Total	$	29,766	$	458	$	167	$	30,391

Schedule of Intangible Assets Acquired Through Business Combinations

The following table presents details of the Company’s intangible assets acquired through acquisitions completed during the six months ended January 27, 2018 (in millions, except years):

	FINITE LIVES									INDEFINITE LIVES		TOTAL
	TECHNOLOGY			CUSTOMER RELATIONSHIPS			OTHER			IPR&D
	Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Amount		Amount
Viptela	5.0	$	144	6.0	$	35	1.0	$	1	$	—	$	180
Springpath	4.0	157		0.0	—		0.0	—		3		160
Others (three in total)	2.5	18		4.0	3		0.0	—		—		21
Total		$	319		$	38		$	1	$	3	$	361

Schedule of Purchased Intangible Assets

The following tables present details of the Company’s purchased intangible assets (in millions):

January 27, 2018	Gross		Accumulated Amortization			Net
Purchased intangible assets with finite lives:
Technology	$	3,465	$	(1,659	)	$	1,806
Customer relationships	1,387		(867		)	520
Other	82		(51		)	31
Total purchased intangible assets with finite lives	4,934		(2,577		)	2,357
In-process research and development, with indefinite lives	117		—			117
Total	$	5,051	$	(2,577	)	$	2,474

July 29, 2017	Gross		Accumulated Amortization			Net
Purchased intangible assets with finite lives:
Technology	$	3,182	$	(1,386	)	$	1,796
Customer relationships	1,353		(765		)	588
Other	82		(38		)	44
Total purchased intangible assets with finite lives	4,617		(2,189		)	2,428
In-process research and development, with indefinite lives	111		—			111
Total	$	4,728	$	(2,189	)	$	2,539

Schedule of Amortization of Purchased Intangible Assets

The following table presents the amortization of purchased intangible assets, including impairment charges (in millions):

	Three Months Ended				Six Months Ended
	January 27, 2018		January 28, 2017		January 27, 2018		January 28, 2017
Amortization of purchased intangible assets:
Cost of sales	$	160	$	124	$	314	$	253
Operating expenses
Amortization of purchased intangible assets	60		64		121		142
Restructuring and other charges	—		—		—		38
Total	$	220	$	188	$	435	$	433

Schedule of Estimated Future Amortization Expense of Purchased Intangible Assets

The estimated future amortization expense of purchased intangible assets with finite lives as of January 27, 2018 is as follows (in millions):

Fiscal Year	Amount
2018 (remaining six months)	$	431
2019	781
2020	564
2021	364
2022	145
Thereafter	72
Total	$	2,357