Commitments and Contingencies (Tables)

6 Months Ended

Jan. 27, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Annual Minimum Lease Payments Under All Noncancelable Operating Leases

Future minimum lease payments under all noncancelable operating leases with an initial term in excess of one year as of January 27, 2018 are as follows (in millions):

Fiscal Year	Amount
2018 (remaining six months)	$	220
2019	323
2020	239
2021	147
2022	122
Thereafter	178
Total	$	1,229

Schedule of Purchase Commitments

The following table summarizes the Company's purchase commitments with contract manufacturers and suppliers as of the respective period ends (in millions):

Commitments by Period	January 27, 2018		July 29, 2017
Less than 1 year	$	4,498	$	4,620
1 to 3 years	690		20
3 to 5 years	540		—
Total	$	5,728	$	4,640

Compensation expenses Related to Business Combinations

The following table summarizes the compensation expense related to acquisitions (in millions):

	Three Months Ended				Six Months Ended
	January 27, 2018		January 28, 2017		January 27, 2018		January 28, 2017
Compensation expense related to acquisitions	$	46	$	73	$	88	$	137

Schedule of Product Warranty Liability

The following table summarizes the activity related to the product warranty liability (in millions):

	Six Months Ended
	January 27, 2018			January 28, 2017
Balance at beginning of period	$	407		$	414
Provisions for warranty issued	287			367
Adjustments for pre-existing warranties	(21		)	(3		)
Settlements	(292		)	(352		)
Balance at end of period	$	381		$	426

Schedule of Guarantor Obligations

  The aggregate amounts of financing guarantees outstanding at January 27, 2018 and July 29, 2017, representing the total maximum potential future payments under financing arrangements with third parties along with the related deferred revenue, are summarized in the following table (in millions):

	January 27, 2018			July 29, 2017
Maximum potential future payments relating to financing guarantees:
Channel partner	$	288		$	240
End user	53			74
Total	$	341		$	314
Deferred revenue associated with financing guarantees:
Channel partner	$	(91	)	$	(82	)
End user	(40		)	(52		)
Total	$	(131	)	$	(134	)
Maximum potential future payments relating to financing guarantees, net of associated deferred revenue	$	210		$	180