Commitments and Contingencies (Tables)

3 Months Ended

Oct. 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 October 27, 2018 are as follows (in millions):

Fiscal Year	Amount
2019 (remaining nine months)	$	312
2020	323
2021	220
2022	152
2023	102
Thereafter	116
Total	$	1,225

Schedule of Purchase Commitments

The following table summarizes our purchase commitments with contract manufacturers and suppliers (in millions):

Commitments by Period	October 27, 2018		July 28, 2018
Less than 1 year	$	5,500	$	5,407
1 to 3 years	704		710
3 to 5 years	270		360
Total	$	6,474	$	6,477

Compensation expenses Related to Business Combinations

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

	Three Months Ended
	October 27, 2018		October 28, 2017
Compensation expense related to acquisitions	$	109	$	42

Schedule of Product Warranty Liability

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

	Three Months Ended
	October 27, 2018			October 28, 2017
Balance at beginning of period	$	359		$	407
Provisions for warranties issued	156			148
Adjustments for pre-existing warranties	(3		)	(12		)
Settlements	(145		)	(149		)
Balance at end of period	$	367		$	394

Schedule of Guarantor Obligations

  The aggregate amounts of financing guarantees outstanding at October 27, 2018 and July 28, 2018, 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):

	October 27, 2018			July 28, 2018
Maximum potential future payments relating to financing guarantees:
Channel partner	$	307		$	277
End user	28			31
Total	$	335		$	308
Deferred revenue associated with financing guarantees:
Channel partner	$	(72	)	$	(94	)
End user	(26		)	(28		)
Total	$	(98	)	$	(122	)
Maximum potential future payments relating to financing guarantees, net of associated deferred revenue	$	237		$	186