Employee Benefit Plans (Tables)

9 Months Ended

May 01, 2021

Retirement Benefits [Abstract]

Summary of Share-Based Compensation Expense

The following table summarizes share-based compensation expense (in millions):

	Three Months Ended				Nine Months Ended
	May 1, 2021		April 25, 2020		May 1, 2021		April 25, 2020
Cost of sales—product	$	26	$	23	$	75	$	69
Cost of sales—service	49		37		133		107
Share-based compensation expense in cost of sales	75		60		208		176
Research and development	184		148		522		440
Sales and marketing	140		125		402		371
General and administrative	59		49		179		164
Restructuring and other charges	5		5		26		18
Share-based compensation expense in operating expenses	388		327		1,129		993
Total share-based compensation expense	$	463	$	387	$	1,337	$	1,169
Income tax benefit for share-based compensation	$	88	$	81	$	264	$	321

Summary of Restricted Stock and Stock Unit Activity

A summary of the restricted stock and stock unit activity, which includes time-based and performance-based or market-based RSUs, is as follows (in millions, except per-share amounts):

	Restricted Stock/ Stock Units	Weighted-Average Grant Date Fair Value per Share		Aggregate Fair  Value
Unvested balance at July 27, 2019	100	$	38.66
Granted and assumed	49	42.61
Vested	(44)	35.20		$	2,045
Canceled/forfeited/other	(9)	40.45
Unvested balance at July 25, 2020	96	42.03
Granted and assumed	35	38.39
Vested	(27)	39.65		$	1,188
Canceled/forfeited/other	(11)	42.14
Unvested balance at May 1, 2021	93	$	41.34